query: how long do mocking birds stay in the nest

pos: Northern mockingbird days of life. Variation in begging and more compact movements such as perching, fear crouching, and stretching appeared by the ninth day. Wing-flashing, bathing, flight, and leaving the nest happened within seventeen days (nest leaving occurred within 11 to 13 days). Improvements of flight, walking and self-feeding took place within forty days. Agonistic behavior increased during the juvenile stages, to the extent of one of two siblings living in the same area was likely killed by the other. Although many species of bird imitate the vocalizations of other birds, the northern mockingbird is the best known in North America for

neg: Northern gannet April. Immature birds stay on the edges of the colony. They may even make a nest but they do not breed until they are four or five years old. Some birds of this age occupy empty nests that they will aggressively defend if they have sat on them for two or three days. If an apparently empty nest has an owner, the immature bird will leave without a struggle when the owner arrives to take possession. The preferred nesting sites are on coastal hillsides or cliffs. If these are not available northern gannets will nest in groups on islands or

neg: Thomas G. Dietterich management of the Earth's ecosystems. This passion has led to several projects including research in wildfire management, invasive vegetation and understanding the distribution and migration of birds. For example, Dietterich's research is helping scientists at the Cornell Lab of Ornithology answer questions like: How do birds decide to migrate north? How do they know when to land and stop over for a few days? How do they choose where to make a nest? Tens of thousands of volunteer birdwatchers (citizen scientists) all over the world contribute data to the study by submitting their bird sightings to the eBird website. The

neg: Nesting instinct soft materials to a selected nook or box; they particularly are attracted to haylofts as nest sites. Commercial Whelping and queening boxes are available however, children's wading pools (dogs) and plastic dishpans (cats) work just as well. In birds it is known as "going broody", and is characterized by the insistence to stay on the nest as much as possible, and by cessation of laying new eggs. Marsupials do not exhibit a nesting instinct per se, because the mother's pouch fulfills the function of housing the newborns. Nest building is performed in order to provide sufficient shelter and comfort to

neg: Crescent honeyeater according to one study. The incubation period is 13 days, followed by a fledging period of 13 days. The parent birds feed the fledglings for around two weeks after they leave the nest, but the young do not remain long in the parents' territory. The young are independent within 40 days of egg-laying. Parent birds have been observed using a range of anti-predator strategies: the female staying on the nest until almost touched; one or other of the pair performing distraction displays, fluttering wings and moving across the ground; the female flying rapidly at the intruder; and both birds giving

neg: The Need of Being Versed in Country Things birds is akin to the human sigh, again showing the connection that the narrator thinks humans and nature have. The fifth quatrain, "Happened Long Ago", reveals to the reader that the fire was something that happened long ago, and although some flowers have started blooming again, the abandoned farm is still a lonely place. The sixth quatrain, "Melancholy Despite the Birds", starts with the narrator talking about how despite all the destruction around him, the birds are still happy to have a place to nest, but "One would have to be versed in country things" to think that these birds

neg: Secretarybird the ground, although some do so in "Acacia" trees. Secretarybirds will stay close to their mate even if their chick has already left. Nests are built at a height of on "Acacia" trees. Both the male and female visit the nest site for almost half a year before egg laying takes place. The nest is around 2.5 m (eight feet) wide and 30 cm (one foot) deep, and is constructed as a relatively flat basin of sticks. Secretary birds lay two to three oval, pale-green eggs over the course of two to three days, although the third egg is most

neg: Wood stork at night. The chicks are not left alone until at least three weeks of age, with one parent foraging while the other guards the nest and chicks. When the chicks are at least three weeks old, they are large enough to stay and protect the nest. This coincides with the chicks getting more aggressive when presented with foreign objects or organisms. They fledge 60 to 65 days after hatching, and reach sexual maturity at four years of age, although they usually do not successfully fledge chicks until their fifth year of age. The hatching success, the percentage of birds that

neg: Tinaminae calling, then some species, like the male members of "Tinamus" will court the females by lowering his chest to the ground, stretch his neck forward, fluff up his posterior in an attempt to appear long. When placing their nest, they will choose to do so at the base of a tree, in between several buttresses. Some species do not actually build a nest, choosing instead to lay their eggs on thin bed of leaves placed in a strategic location. The eggs of these birds have a wide range of coloring; however the do have similar features in that they are

neg: Todus rotten tree trunks. The tunnel is 30 cm long in the Cuban and narrow-billed Todies, 30 to 60 cm in the broad-billed tody, and ends in a nest chamber, generally not reused. They lay about four round white eggs in the chamber. Both parents incubate but are surprisingly inattentive to the eggs. The young are altricial and stay in the nest until they can fly. Both parents also care for the nestlings, much more attentively; they may feed each chick up to 140 times per day, the highest rate known among birds. Todies eat small prey such as insects and

neg: Swainson's warbler out and defend a territory for nesting. Nests are fairly large and bulky, constructed from moss, grass, and small leaves situated above ground in a tangle of tall reeds or vines. The female will lay between three and five eggs. The eggs are white and sometimes, but rarely, speckled with brown. Incubation is done by the female only and lasts for about 14 days, after which the eggs will hatch. The young leave the nest about 12 days later. It is not known how long pairs stay together, although once a pair-bond has been established they do not usually mate

neg: Tufted titmouse incorporate pieces of it in their nest. Their eggs are under an inch long and are white or cream-colored with brownish or purplish spots. The lifespan of the tufted titmouse is approximately 2.1 years, though they can live for more than 10 years. These birds will on average have a clutch size of 5 to 7 eggs. Unlike many birds, the offspring of tufted titmice will often stay with their parents during the winter, and even after the first year of their life. Sometimes, a bird born the year before will help its parents raise the next year's young. Tufted

neg: Nidifugous may stay at the nest, and are thus considered nidicolous rather than nidifugous. Many gulls and terns are precocial but nidicolous. Nidifugous Nidifugous ( ) organisms are those that leave the nest shortly after hatching or birth. The term is derived from Latin "nidus" for "nest" and "fugere" meaning "to flee". The terminology is most often used to describe birds and was introduced by Lorenz Oken in 1816. The chicks of birds in many families such as the waders, waterfowl and gamebirds are usually nidifugous. The term "nidifugous" is sometimes used synonymously with "precocial", as all nidifugous species are precocial

neg: Marine life same environmental problems and feeding niches have resulted in similar adaptations. Examples include albatross, penguins, gannets, and auks. In general, marine birds live longer, breed later and have fewer young than terrestrial birds do, but they invest a great deal of time in their young. Most species nest in colonies, which can vary in size from a few dozen birds to millions. Many species are famous for undertaking long annual migrations, crossing the equator or circumnavigating the Earth in some cases. They feed both at the ocean's surface and below it, and even feed on each other. Marine birds can

neg: Polistes bellicosus vertebrate predators are birds, raccoons, and opossums. Predators either remove the nest whole or in large, broken pieces. The long colony cycle—from spring to late autumn—along with the common predation often requires that the wasps create a new nest at least once during a season. In addition, the chances of a nest being removed or destroyed do not decrease with size of the colony. Thus, larger colonies are at equal risk of predation as smaller colonies. Polistes bellicosus Polistes bellicosus is a social paper wasp from the order Hymenoptera typically found within Texas, namely the Houston area. Like other paper

neg: Eastern carpenter bee and are usually found among siblings. Males will establish territories near an active nest entrance to protect the colony and seek mating opportunities. For males that are near the nest entrance, their boundaries are usually linear and several meters long. For males that are farther from the exit, their boundaries are usually in the shape of a square and shorter in length. Males can stay in one territory for as long as two weeks. Although they do most of their foraging and resting during the night, they take small breaks throughout the day as well. After these breaks, they often

neg: Egyptian vulture a tool to roll up and gather strands of wool to use for lining the nest. Healthy adults do not have many predators, but human activities pose many threats. Collisions with power lines, hunting, intentional poisoning, lead accumulation from ingesting gunshot in carcasses, and pesticide accumulation take a toll on populations. Young birds at the nest are sometimes taken by golden eagles, eagle owls, and red foxes. Only rarely do adult birds attempt to drive away predators. Young birds that fall off of cliff ledges may be preyed on by mammalian predators such as jackals, foxes and wolves. Like all

neg: Avian ecology field methods extremely valuable information about nesting behavior, habitat selection, and nest predation. Cameras can be used to study bird nesting behaviors, or even to catch nest predators in the act. The timing of breeding in relation to weather variables can be studied, as well as the size of eggs and chicks in relation to food quality and abundance. Records of habitat variables at each nest provide helpful information on the birds’ nest site selection criteria, and maps of all nests found in a study area allow for examination of how territories are distributed through the habitat. Capturing and marking birds allows

neg: Chatham parakeet fruit, shoots and bark. They have been noted feeding in the forest canopy and on the forest floor, as well as in trees, shrubs or other plants when fruiting, seeding or flowering. Forbes’ parakeet feeds both individually and in groups with conspecifics, as well as with Chatham Island Red-crowned Parakeets and hybrids of the two species. Forbes’ parakeet nest in hollows of dead or living trees, and breed between October and March. The birds become quite territorial of boundaries when breeding, chasing other birds away from the area and making loud vocalisations. The female bird will stay in the nest

neg: Woodpecker young. Young birds from previous years may stay behind to help raise the group's young, and studies have found reproductive success for the group goes up with group size, but individual success goes down. Birds may be forced to remain in groups due to a lack of habitat to disperse to. A pair will work together to help build the nest, incubate the eggs and raise their altricial young. However, in most species the male does most of the nest excavation and takes the night shift while incubating the eggs. A clutch will usually consist of two to five round

neg: Northern gannet departing by launching themselves off a cliff and flying—a procedure for which it is impossible to practice beforehand. If they leave the nest in bad weather they can be mortally wounded as they can be blown against the rocks. The young birds are attacked by adults if unattended. Once they leave the nest they stay at sea learning to fish and fly, their flight skills being too poor for them to return to the breeding ledges. Northern gannets have only one brood a year. The survival rate for young birds for their first four years is 30% and the annual

neg: The Life of Birds coast favoured by parrots, an ants' nest occupied by a woodpecker, and a tree hole inside which a female hornbill seals itself. Eggs require warmth, and some nests are insulated by the owners' feathers, others from ones found elsewhere. External temperatures dictate how the eggs are incubated. The snowy owl has to do so itself, because of its habitat; however, the maleo is able to take advantage of solar heating. The amount of eggs laid also varies: for example, the kiwi lays just one, whereas the blue tit will deposit many. Their mottled surface serves to camouflage them. Birds that

neg: King quail ground against a wall. Preferably, a clump of long grass, tea tree branches, or pile of loose herbage should be provided. Often a hen will lay eggs on the aviary floor without the use of a nest. This is a sign that the birds are not content with the existing facilities and the provision of a sheltered nest site may result in a nest being built. The cock usually selects the nest site so needs a choice of options. The nest is a simple scrape in the ground, preferably out of view of higher nesting birds and away from the

neg: Rufous hornero beat at the same rate as their trill. Thus, while watching an observer may identify the sex by how fast their wings beat while singing. Predators of adult and young rufous horneros include birds of prey such as the black-chested buzzard-eagle "Buteo melanoleucus", small mammals, domestic cats, and a number of species of snakes and possibly lizards. However, its covered nest probably reduces predation risk. The rufous hornero breeds in the austral summer, laying eggs between August and December, raising nestlings soon after, and the young may stay in their natal territory until the following breeding season. The species is

neg: White-throated kingfisher prolonged "kit-kit-kit..." call. The nest is a tunnel (50 cm long, but a nest with a 3-foot tunnel has been noted) in an earth bank. The nest building begins with both birds flying into a suitable mud wall until an indentation is made where they can find a perch hold. They subsequently perch and continue digging the nest with their bills. Nest tunnels in a haystack have also been recorded. A single clutch of 4-7 round white eggs is typical. The eggs take 20–22 days to hatch while the chicks fledge in 19 days. Birds have sometimes been seen attracted

neg: Great black-backed gull The birds are usually successful in bringing up all the three chicks. The eggs are greenish-brown with dark speckles and blotches. Both parents participate in the incubation stage, which lasts for approximately 28 days. During this time, the birds attempt to avoid being noticed and stay silent. The breeding pair are devoted parents who both take shifts brooding the young, defending the nest and gathering food. Young great black-backed gulls leave the nest area at 50 days of age and may remain with their parents for an overall period of around six months, though most fledglings choose to congregate with

neg: Sea Drift (Delius) of mocking-birds nesting, until one day the she-bird flew away and never returned. In a long section usually printed in italics, the he-bird, unable to leave in case his mate should return and find him gone, waits forever and calls his sorrowful song to the moon, the stars and the sea, which are heavy and drooping with his lost love. The text employed by Delius closes with the bird's apostrophe, 'translated' by the boy, who seems to understand it, or projects it from his own awakening feelings. The poem however continues to explain how the boy's feelings suddenly burst out

neg: Red-billed quelea each nest. This species may nest several times per year when conditions are favourable. In the breeding season, males are diversely coloured. These differences in plumage do not signal condition, probably serving instead for the recognition of individual birds. However, the intensity of the red on the bills is regarded an indicator of the animal's quality and social dominance. Red-billed quelea males mate with one female only within one breeding cycle. There are usually three eggs in each clutch (though the full range is one to five) of approximately long and in diameter. The eggs are light bluish or greenish

neg: Delichon to mount her, usually in the nest. Three or four white eggs are the normal clutch and all three species are frequently double-brooded. Both sexes build the nest, incubate the eggs and feed the chicks, although the female does most of the incubation, which normally lasts 14–16 days. The newly hatched chicks are altricial, and after a further 22–32 days, depending on weather, the chicks leave the nest. The fledged young stay with, and are fed by, the parents for about a week after leaving the nest. Occasionally, young birds from the first brood will assist in feeding the second

neg: Ani (bird) Ani (bird) The anis are the three species of near-passerine birds in the genus "Crotophaga" of the cuckoo family. They are essentially tropical New World birds, although the range of two species just reaches the United States. Recent DNA evidence places them in the group Crotophaginae. Unlike some cuckoos, the anis are not brood parasites, but nest communally, the cup nest being built by several pairs between 2–6 m high in a tree. A number of females lay their eggs in the nest and then share incubation and feeding. The anis are large black birds with a long tail and

neg: Birds Nest (horse) Birds Nest (horse) Birds Nest (1970–1994) was a British-bred thoroughbred racehorse. In a long career as a specialist hurdler he ran six times in the Champion Hurdle at Cheltenham Racecourse, finishing second to Night Nurse in 1976 and third behind Sea Pigeon and Monksfield in 1980. He won 16 hurdle races including the Fighting Fifth Hurdle and the Bula Hurdle on three occasions each. He also won the Christmas Hurdle and two runnings of the Scottish Champion Hurdle, beating some of the best hurdlers of all time. He has been described as the best hurdler never to win the Champion

neg: Haliacmon Haliakmon-Axios(Vardar) Delta. Aliki Kitrous is an area of 254 hectares, where 15-20.000 tons of salt are produced per year. Many kinds of birds have been observed in Haliakmon's region. They use it for accommodation and overwintering, like the ducks, or to rest on their long migratory journey. There have been observed 215 kinds of birds and about ⅓ of them nest in the region. Over 10% of the birds are endangered. They include Dalmatian pelican and curlew, that are considered to be among the rarest birds in the world. 27 kinds of rare and protected kinds of birds nest in

neg: Crested barbet fledge after about 31 days. Up to five broods have been recorded in a breeding season. They are found singly or in pairs. They like to bounce around on the ground looking for food, they usually call from a branch out in the open. They do not fly easily and then only for short distances. Crested barbets roost in holes in trees. They are very vocal, the call being a trill that can continue for long periods. Crested barbets are aggressive towards other birds in their territory and chase off both nest competitors such as other barbets and other birds

neg: Southern ground hornbill with each breeding pair always assisted by at least two other birds. It is known via experiments in captivity that birds without six years experience as helpers at the nest are unable to breed successfully if they do become breeders. This suggests that unaided pairs cannot rear young and that helping skill as a juvenile is essential for rearing young as an adult. In captivity, a maximum lifespan of 70 years is recorded, and it is generally believed that the life expectancy of a bird that survives long enough to fledge is as high as thirty years or more, which

neg: The Magpie's Nest left. She became angry and would not teach any more. That is why birds build their nests differently. The Magpie's Nest The Magpie's Nest is an English fairy tale collected by Joseph Jacobs in "English Fairy Tales". All the birds came to the magpie, because it was the wisest, and asked it to teach them how to build nests. The magpie started to demonstrate, but each time she did something, another bird concluded that was all there was to it. By the time she was done, only the turtle-dove was left, and it had been paying no attention, but singing

neg: Nemegtomaia and re-crystallized. The nesting specimen was found in a stratigraphic area indicating that oviraptorids preferred nesting near streams that provided soft, sandy substrate and food in environments that were otherwise xeric (receiving a small amount of moisture). Many oviraptorids have been found in brooding positions, indicating they may have brooded for relatively long periods, similar to modern birds such as the ostrich, emu, and black-breasted buzzard, which brood for more than 40 days with a limited supply of sustenance. Nesting in desert environments can be harmful to adults that stay in the nest for large parts of the day, and

neg: Pelagic cormorant pallasii"). Like all cormorants, due to their vestigial uropygial gland their plumage is not waterproof. Thus, the birds return to a safe place after foraging to preen and dry their feathers, typically adopting a spread-winged posture. The pelagic cormorant breeds on rocky shores and islands. They do not form large colonies, but smaller groups may nest together. In some cases these birds alternate between two or three nesting sites in a region from one year to another. The nest is built at the cliff face, usually on ledges, less often in crevices or caves. The nest is built from stringy

neg: New Zealand kaka became extinct in 1851 for similar reasons. Predatory mammals are responsible for the loss of an estimated 26 million native birds and their eggs each year in New Zealand. As cavity nesters with a long incubation period that requires the mother to stay on the nest for at least 90 days, kaka are particularly vulnerable to predation. Stoats were the main cause of death of nesting adult females, nestlings and fledglings, but possums were also important predators of adult females, eggs and nestlings. There is strong evidence that predation of chicks and females has led to a serious age and

neg: Seabird breeding behavior engage in EPCs and raise extra-pair young (reviewed by:). Furthermore, it has been proposed that birds that nest in high densities, as seabirds do in breeding colonies, have higher rates of EPCs and EPFs than birds that do not nest colonially. Despite this, Westneat and Sherman (1997) found no significant correlation between nesting density and EPFs in a meta-analysis. Many seabird species raise only one chick per breeding season, which would make the prevalence of EPFs and EPP in seabirds surprising due to the fact that the male’s entire breeding success for a year is dependent on the lone egg/chick

neg: Black-necked crane Their loud trumpeting calls are similar to those of other cranes. These birds are very wary, but in some areas they are accustomed to the local people who do not disturb them. These cranes appear to be able to distinguish people in traditional dress and are especially wary of others.Like many other crane species, they are believed to form long-lasting pair bonds and dancing displays are made during the breeding season. The breeding birds are territorial and will chase away any intruders of the same species immediately, though they are generally tolerant of other species. The nest site is usually

neg: Common paradise kingfisher factors involved, but there was sufficient variation among the founding birds to encourage speciation, and the assortment of genes that the birds on each island received was later undisturbed by the inflow of alien genes. This species is common and mostly non-migratory, although some birds move out of monsoon rainforest in the dry season. A pair will defend a territory of . The nest is made in an active termite nest in a tree. This termite builds a termitarium against the tree trunk and the birds excavate a hole in its earthen wall which can be as much as long

neg: Red-throated loon by both parents. After 3–4 days, the parents switch to fish small enough for the young birds to swallow whole. By four weeks of age, the young can eat the same food—of the same size—as their parents do. Young birds may be fed for some time after fledging; adults have been seen feeding fish to juveniles at sea and on inland lakes in the United Kingdom, hundreds of kilometres from any breeding areas. The red-throated loon is a monogamous species which forms long-term pair bonds. Both sexes build the nest, which is a shallow scrape (or occasionally a platform of

neg: Scarlet tanager 69–78% of nests were predated. Recorded nest predators are primarily avian like blue jays ("Cyanocitta cristata"), common grackles ("Quiscalus quiscula") and American crows ("Corvus brachyrhynchos"), although others like squirrels, chipmunks, raccoons ("Procyon lotor") and snakes probably take a heavy toll, as well as an occasional unlucky fledgling taken by domestic cats ("Felis catus"). Raptorial birds hunt and kill many scarlet tanagers from fledgling throughout their adult lives, including all three North American "Accipiter" species, merlins ("Falco columbarius"), eastern screech owls ("Megascops asio"), barred owls ("Strix varia"), long-eared owls ("Asia otus") and short-eared owls ("Asio flammeus"). These birds do best in

neg: Pygmy falcon km, and the total population is estimated to be between 100,000 and 1 million birds. In Kenya, pygmy falcons nest in white-headed buffalo weaver nests, and the ranges of the two birds coincide. In southern Africa, they are found around red-billed buffalo weaver nests but predominantly nest in the vacant rooms of sociable weaver nests, which are large and multichambered—even if the sociable weavers still have an active colony in the nest. Despite being bird-eaters and bigger than sociable weavers, the pygmy falcons largely leave the latter alone, though they do occasionally catch and eat nestlings and even adults. Pygmy

neg: Black-necked stork the nest and when one returns to relieve the other, they perform a greeting display with open wings and an up and down movement of the head. Food is brought for the young chicks by the adults and regurgitated onto the nest platform. Adults stop feeding the young at the nest and begin to show aggression towards the chicks after they are about 3 or 4 months old. The young birds may stay on nearby for about a year but disperse soon. Typically one to three chicks fledge from successful nests, but up to five chicks fledge in years with

neg: House sparrow mates for life. Birds from pairs often engage in extra-pair copulations, so about 15% of house sparrow fledglings are unrelated to their mother's mate. Male house sparrows guard their mates carefully to avoid being cuckolded, and most extra-pair copulation occurs away from nest sites. Males may sometimes have multiple mates, and bigamy is mostly limited by aggression between females. Many birds do not find a nest and a mate, and instead may serve as helpers around the nest for mated pairs, a role which increases the chances of being chosen to replace a lost mate. Lost mates of both sexes

neg: Gray hawk few birds in the northern range will stay in the southern part of Texas year round rather than migrating, but this is rare. The birds that migrate north to the south-western United States will migrate in the spring in order to breed. After the breeding season, the birds will begin their journey back south in mid-October to their wintering ranges. The mating system of the gray hawk is monogamous. During December through May, the breeding season, these birds perform courtship displays (4). The males court the females by rising and falling flight, calls, and nest building. The male and female

neg: Common house martin normally lasts 14–16 days. The newly hatched chicks are altricial, and after a further 22–32 days, depending on weather, the chicks leave the nest. The fledged young stay with, and are fed by, the parents for about a week after leaving the nest. Occasionally, first-year birds from the first brood will assist in feeding the second brood. There are normally two broods each year, the nest being reused for the second brood, and repaired and used again in subsequent years. Hatching success is 90%, and fledging survival 60–80%. Third broods are not uncommon, though late nestlings are often left to

neg: British Trust for Ornithology it. Some ringing projects also use colour rings to allow individual birds to be identified without being caught. Birds have been ringed in Britain and Ireland for nearly 100 years, and ringing still reveals new facts about migration routes and wintering areas. However, the primary focus of the BTO's Ringing Schemes is now the monitoring of bird populations, to provide information on how many young birds leave the nest and survive to become adults, as well as how many adults survive the stresses of breeding, migration and severe weather. Changes in survival rates and other aspects of birds' biology can

neg: Western gray squirrel Though they do not hibernate, they do become less active during the winter. Like many prey animals, they depend on auditory alerts from other squirrels or birds to determine safety. Once an alarm call is transmitted, those present will join in, and the trees become a cacophony of chirping squirrels. Tree squirrels are prey for bobcats, hawks, eagles, mountain lions, coyotes, cats, raccoons and humans. Squirrel nests are called dreys and can be seen in trees, built from sticks and leaves wrapped with long strands of grass. There are two stick nest types made by the western gray squirrel: the

neg: Greater roadrunner a second brood. This bird walks around rapidly, running down prey. It feeds mainly on small animals including insects, spiders (including black widows), tarantulas, scorpions, mice, small birds, and especially lizards and small snakes. Venomous serpents, including small rattlesnakes, are readily consumed. It kills prey by holding the victim in its bill and slamming it repeatedly against the ground. The greater roadrunner is monogamous, forming long-term pair bonds. Both birds build the nest, with the male collecting the material and the female constructing the nest. Nest building starts in March in Texas, and probably later further north. The nests are

neg: Village weaver some areas, they move periodically along fixed routes. The birds look for food on the ground, but also look up to search vegetation and trees. The village weaver nests in colonies and is very active during the breeding season. Birds fly in and leave again constantly, making a lot of noise. Colonies can contain as many as 150 nests, but anything between eight and a hundred nests in a single tree is usual. A village weaver's nest is long and high. The entrance is mostly extended into a tube of long. The male weaves the structure of the nest using

neg: Reproduction and life cycle of the golden eagle days of age, at which point it is gradually replaced by dark contour feathers that eclipse the down and the birds attain a general piebald appearance. After hatching, 80% of food items and 90% of food biomass is captured and brought to the nest by the adult male. The adult male golden eagle perch away from the nest for about 74% of the nestling period, whereas females mainly stay on the nest for about 45 days after the first chick hatches. The voice of nestlings advances from a soft "chirp" to a disyllabic "seeir" at around 15 days of age

neg: Polistes biglumis female producing all of the male workers was the original nest founder. Nest predation on the wasp is minimal throughout its nesting season; however, when it does occur, it is mainly perpetrated by birds. Nevertheless, nest predation by vertebrates reaches its peak during the pre-emergence period when the nest is empty except for the foundress and is, as a result, undefended. Furthermore, such predation is a major contribution to nest failure. In these cases, often the nest is predated but the foundress survives, which leads to the creation of usurpers and joiners. Unlike with other "Polistes" species, ants do not

neg: Science and inventions of Leonardo da Vinci knew: How by means of a certain machine many people may stay some time under water. How and why I do not describe my method of remaining under water, or how long I can stay without eating; and I do not publish nor divulge these by reason of the evil nature of men who would use them as means of destruction at the bottom of the sea, by sending ships to the bottom, and sinking them together with the men in them. And although I will impart others, there is no danger in them; because the mouth of the tube,

neg: Bird strike left open allow deer and other mammals onto the airport. 4.6 meter long cattle guards have been shown to be effective at deterring deer up to 98% of the time (Belant et al. 1998). Hangars with open superstructures often attract birds to nest and roost in. Hangar doors are often left open to increase ventilation especially in the evenings. Birds in hangars are in proximity to the airfield and their droppings are both a health and damage concern. Netting is often deployed across the superstructure of a hangar denying access to the rafters where the birds roost and nest while

neg: Red-bearded bee-eater hunt alone or in pairs, rather than in flocks, and sit motionless for long periods before pursuing their prey. Like other bee-eaters, they nest in burrows tunnelled into the side of sandy banks, but do not form colonies. Red-bearded bee-eater The red-bearded bee-eater ("Nyctyornis amictus") is a large species of bee-eater found in the Indo-Malayan subregion of South-east Asia. This species is found in openings in patches of dense forest. Like other bee-eaters, they are colourful birds with long tails, long decurved beaks and pointed wings. They are large bee-eaters, predominantly green, with a red colouration to face that extends

neg: Yellow-billed magpie roost containing many birds and several outlying roosts with fewer. Yellow-billed magpie flocks are known to engage in funeral-like behavior for their dead. The yellow-billed magpie prefers groves of tall trees along rivers and near open areas, though in some cities they have begun to nest in vacant lots and other weedy places. A pair of birds builds a dome-shaped nest with sticks and mud on a high branch. Nests may be 14 meters above the ground and are sometimes built far out on long branches to prevent predators from reaching them. They nest in small colonies, or occasionally alone.

neg: The Nest (aviary) of extinction. An area specially adapted for the stay of different cats like the jaguar, tiger, and panther, which form an important part in nature. They are currently among the most endangered species in the world. A place for primates, particularly the spider monkey and ape Jester. A space for birds of prey, birds that hunt prey to feed using their beaks and sharp claws. Among the best known species are falcons, hawks, owls, and the golden eagle. A region for birds adapted different ecosystems. The variety of species found are mainly Mexican, which are mainly located in states like

neg: Manu parrotlet to gather in the morning to feed. The smallest birds observed in Gilardi and Munn’s evaluation traveled in small flocks; this is more comparative to how the larger birds flock. When comparing these findings to those in O’Neill et al.’s study the Manu parrotlet must be unique in how it nest and flocking patterns compared to other small birds. When the Manu parrotlet is spotted, it is either eating on clay licks or foraging on the ground eating seeds and taking in the mineral deposits left by the river. Many parrots in the Peruvian Forest tend to feed in the

neg: European storm petrel larger birds or rabbits cannot easily enter. Even so, puffins and shearwaters will sometimes access and destroy nests, and adult petrels may be killed by their larger neighbours. Human-made plastic nesting tubes are readily used, and may provide protection against predators. Birds usually mate for life and use the same hole every year. The nest tunnel is long and across, with a slightly narrower entrance. The nest chamber is typically unlined, although pairs may bring in some grass, bracken or seaweed. Although the storm petrel is generally non-territorial when breeding, a pair will defend the nest chamber itself after the

neg: White-faced heron at other times in response to rainfall. Breeding generally takes place in southern Australia, and birds disperse for long distances at other times of year. Both sexes share the task of building the nest, incubating the eggs and caring for the young. The nest is an untidy shallow bowl, made of sticks and usually placed on a leafy branch 5–12 m high, at altitudes from sea level to over 1000 m. When breeding the birds have long feathers (nuptial plumes) on the neck, head and back. A typical clutch has three to five pale blue eggs. with an average size

neg: Madagascan plover do not enable the species to reproduce quick enough to recover. The main threat is habitat loss or degradation, mainly due to the conversion of many natural plover wetland habitats to rice paddies and shrimp farms. As the population is restricted to specialised wetland habitats, they are especially vulnerable to habitat degradation. Cattle may aid the population by creating space to nest, but present the inevitable risk of trampling of birds and nests. The Madagascar plover's life history traits such as small clutch sizes, long incubation periods, slow chick growth and long re-nesting intervals make it less able to withstand

neg: Caprimulginae Caprimulginae The Caprimulginae or typical nightjars are a nocturnal bird subfamily within the nightjar family, Caprimulgidae. They are medium-size with long wings, short legs, and very short bills. They usually nest on the ground. They feed on flying insects. They have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically coloured to resemble bark or leaves. Some species perch facing along a branch, rather than across it as birds usually do. This helps to conceal them during the day. The female lays two patterned eggs directly onto bare ground. They are mostly active

neg: Australian raven Building the nest is often time-consuming initially as the birds try (and often fail) to wedge sticks, which are long and thick, into the tree fork to make a platform. Thinner sticks and rootlets are used to make the bowl before the bowl is lined with feathers. Both birds build the nest, with the female taking over the lining of the nest while the male brings her material. New nests are built each year generally, as the re-use of old ones might spread disease or parasites—nests become caked with faeces as the nestlings grow and the parents cannot keep up

neg: Hawk mating season and improve it together during the nesting season. The two birds usually make their nest prior to mating. Some species of hawks tend to be monogamous and stay with the same mating partner their whole lives. A hawk's diet is predictable and includes a variety of smaller animals. Some of these small animals include snakes, lizards, fish, mice, rabbits, squirrels, birds, and any other type of small game that is found on the ground. More specifically, a red-shouldered hawk likes to eat smaller birds like doves and bugs like grasshoppers and crickets. A "war hawk", or simply "hawk",

neg: Sittella even been instances of two females sharing a nest. 95% of the nests found in a study in New South Wales were in stringybarks, particularly the species "Eucalyptus macrorhycha". The nests were almost always located high in the tree. Nest construction took around 7 days, but lining and decorating the nest added a few days to this. Nest building duties were shared amongst the group, and the speed of construction depended on how many birds were involved. Nests are usually placed in the prong of two branches, and is a deep cup decorated in the bark of the tree it

neg: Little Buffalo State Park population of the yellow perch has been managed by the stocking of walleye, muskellunge, and channel catfish. This large population with such a tremendous variety of fish has made Holman Lake a very popular fishing lake. Holman Lake is a designated "Big Bass Lake". This means that the only fish anglers are allowed to keep must be at least 15 inches long with a daily limit of 4 bass. The fish population draws birds to the waters of Holman Lake. Bald eagles and osprey do not nest at Little Buffalo State Park, but they do fish the waters. Great blue

neg: Birds Nest Foundation towards a young audience, the show demonstrates how to make healthier dining options. Originally a segment within "Lunch NYC", "Dylan's Lunchbox" has expanded into its own show. Programming generally includes cooking segments by Dylan Richards, along with a chef, while they discuss the benefits of maintaining a healthy diet. The show has aired on NYC Media. In Spring 2010, the Birds Nest Foundation launched it Ground-Up Campaign, an initiative to gift 100 New York City Public schools with indoor gardens. These Indoor Academic Gardens allow students to grow and enjoy harvests during the entire school year. Students learn about organic

neg: Black-necked grebe is somewhat synchronized, with birds in small colonies having the laying dates spread out by just a few days, compared to large colonies, where the laying date is spread out over more than 10 days. After the chicks hatch, the birds will desert their nest. Even though the young can swim and dive during this time, they rarely do, instead staying on the parents' backs for four days after hatching. This behaviour is present in all grebes, and is likely to have evolved because it reduces travel costs, specifically those back to the nest to brood the chicks and give

neg: Celeus (bird) for the specialised resources required for its survival and reproduction (for example breeding sites and large food supplies). They are native residents and do not migrate. They are generally insectivorous but will eat seeds and fruits. The birds are monogamous with both sexes sharing nest and brooding care. Some species nest communally. Many live near humans but are seen as destructive in agricultural areas. The birds of the genus "Celeus" generally weigh between 63 – 172 g; the heaviest of this genus is the scaly-breasted woodpecker ("C. grammicus"). Length, from tip of bill to tip of the tail, is between

neg: Tree swallow birds. The tree swallow also differs in terms of the composition of extra-pair fathers; in a study that found the paternity of 35 extra-pair nestlings, it was determined that 25 extra-pair young were from fathers from sites near the nest where the female is, about three from sites within , and seven that had fathers that were floaters (those present at breeding grounds that presumably do not breed). In the tree swallow, floating thus helps males in good condition produce more chicks, while allowing males in bad condition to be successful through parental care. How extra-pair fathers are chosen and

neg: Cíes Islands of Iberian guillemots ("Uria aalge albionis"), a species now almost extinct on the islands. Other species include birds of prey, pigeons, petrels, pelicans, doves, woodpeckers and other types of birds, which nest in trees and cliffs. Also, there are a variety of many types of birds wintering or resting on their migratory journeys here. In the "Alto da Campa" (Illa do Faro) and in the "Faro do Peito" (San Martiño), there are ornithological observatories. The waters around the islands are rich in biodiversity to attract whales, dolphins, and sharks including blue sharks and basking sharks Cíes Islands The Cíes Islands

neg:
Common cuckoo maidenhead to lose and me sex to be abused
 So have no more to do with me cuckoo's nest
 One of the tales of the Wise Men of Gotham tells how they built a hedge round a tree in order to trap a cuckoo so that it would always be summer. Common cuckoo The common cuckoo ("Cuculus canorus") is a member of the cuckoo order of birds, "Cuculiformes", which includes the roadrunners, the anis and the coucals. This species is a widespread summer migrant to Europe and Asia, and winters in Africa. It is a brood parasite, which means it

neg: Himalayan vulture is a platform of sticks placed on an inaccessible ledge on a cliff. Nest in northeastern India have been recorded at between in elevation, but those in Tibet have been as high as . Several pairs may nest on the same cliff face, with between five and seven pairs being a typical colony size. The nests are relatively small for the large size of these birds and, although grow larger with repeated uses, do not generally get as massive as the nest of other large accipitrids. There is at least one recorded instance of Himalayan vultures using a nest made

neg: Nest do not directly brood their young, incubate their young in a mound of decomposing vegetation. One species, "Macrocephalon maleo", uses volcanic sand warmed by geothermal heat to keep its eggs warm. Among the simple nest builders are falcons, owls, and many shorebirds. The weavers exhibit perhaps the most elaborate nests, complete with strands of grass tied into knots. Most bird nests lie somewhere in the middle, with the majority building cup-shaped nests using some combination of mud, twigs and leaves, and feathers. Some birds, such flamingos and swifts, use saliva to help hold their nest together. The edible-nest swiftlet uses

neg: Birds Nest (horse) Hurdle. Throughout his career, he was known for being a difficult and temperamental horse, with a tendency to veer left when under pressure. Birds Nest was rated at 176 by Timeform in the seasons 1975/6 and 1976/7. At the time of his retirement he was the joint-third highest rated hurdler in the organisation's history, after Night Nurse and Monksfield and equal with Golden Cygnet. In their book "A Century of Champions", John Randall and Tony Morris ranked Birds Nest the ninth best British or Irish hurdler of the 20th century. Birds Nest (horse) Birds Nest (1970–1994) was a British-bred thoroughbred

neg: Cape wagtail in car radiators. Other than insects it has been recorded as eating fiddler crabs, sandhoppers, snails, ticks, tadpoles, small fish, small chameleons and human food. The Cape wagtail is a monogamous, territorial solitary nester and breeding pairs stay together over a number of breeding seasons. Like many territorial birds the males often fiercely attack their own reflection in mirrors or windows. The nest is built by both sexes and consists of a cup made of a wide range of materials, both natural and artificial, which is lined with hair, rootlets, wool and feathers. The nest is situated in a recess

neg: Woodlark of March. Usually between three and five eggs are laid. The female will incubate the eggs, which are whitish with brown speckles, for 13 to 15 days. Both parents will then feed the young in the nest and the chicks leave the nest after a further 11 to 13 days. Families stay together for the summer and into the autumn. Two, sometimes three broods will be raised each year. As with many of the birds in the lark family, the woodlark is primarily vegetarian as an adult but during the breeding season will also eat medium-sized insects. The diet is

neg: Emu weight and will survive on stored body fat and on any morning dew that he can reach from the nest. As with many other Australian birds, such as the superb fairywren, infidelity is the norm for emus, despite the initial pair bond: once the male starts brooding, the female usually wanders off, and may mate with other males and lay in multiple nests; thus, as many as half the chicks in a brood may not be fathered by the incubating male, or even by either parent, as emus also exhibit brood parasitism. Some females stay and defend the nest until

neg: Ashy prinia authors describe "P. socialis socialis" as having two complete moults. Birds stay in pairs but roost singly on the branch of a small tree or shrub. The song is sung from the top of a bush and males make fluttery display flights with the tail held up. The ashy prinia builds its nest close to the ground in a shrub or tall grass. Several types of nests have been described, including a flimsy cup made by sewing several large leaves, an oblong purse-like structure with grass stems inside it, and a flimsy ball of grass. The usual nest is built

neg: Senegal batis but the decoration seems to act as effective camouflage. Only the female incubates the clutch, which is normally two eggs, for 15 days. The male guards the nest and feeds her, attacking all other birds near the nest, as well as Gambian sun squirrels, but not the striped ground squirrel. The male continues to provide all the food for the females and the young for the first week after hatching, passing food items to the female for her to feed the chicks; after the first week, both sexes forage and feed the chicks. After fledging the young stay in the

neg: Great horned owl notes. The earliest competent hooting by juvenile owls is not until January. Young owls move onto nearby branches at 6 weeks and start to fly about a week later. However, the young are not usually competent fliers until they are about 10 to 12 weeks old. The age at which the young leave the nest is variable based on the abundance of food. The young birds stay in an area ranging from 13.1 to 52 ha from the nest into fall, but will usually disperse up to several thousand hectares by the end of fall. The offspring have been seen

neg: Amur falcon ample food. Their migration over the Arabian Sea coincides with the timing of the migration of dragonflies ("Pantala flavescens") and these are thought to provide food during the most arduous part of their migration route. During migration they stay in open forest or grasslands, roosting colonially on exposed perches or wires. Their breeding habitat is open wooded country with marshes. The breeding season is May to June and several pairs may nest close together. Abandoned nest platforms belonging to birds of prey or corvids and even tree hollows are re-used for nesting. Three or four eggs are laid (at two

neg: Ropalidia plebeiana females in the nests do not stay in the nest overnight, and before dusk they leave the nest for the night. Females returned to the nest when the sun heated up the nest, and began their activities. These patterns of leaving and returning depend on the temperature of the nest. Nests maintain their structural integrity over the winter months because they are hidden from the elements, and top dominant females sometimes occupy previously occupied nests. They may return to the nests of their mothers to start their own colony there or with up to 10 other females. If this is

neg: Lear's macaw causing a large loss of food for these birds. In fact, though the lifespan of these palms can be 30–150 years, most trees do not make it over 8–10 years. Lear's macaw also requires a sandstone cliff in which to nest. To nest there, they apply their saliva to the sandstone which softens it, then excavate small crevasses using their beaks and scrape the dust out of their soon-to-be nests with their feet. In 1983, the global population was estimated to number just 60 birds. Population in 2010 was estimated as between 1100 and 1200 individuals. It is currently listed

neg: Bird nest deter some nest predators such as squirrels. Though most birds nest individually, some species—including seabirds, penguins, flamingos, many herons, gulls, terns, weaver, some corvids and some sparrows—gather together in sizeable colonies. Birds that nest colonially may benefit from increased protection against predation. They may also be able to better utilize food supplies, by following more successful foragers to their foraging sites. Many birds nest close to human habitations and some have been specially encouraged. Nesting white storks have been protected and held in reverence in many cultures. Nest boxes are often used to encourage cavity nesting birds. The nesting of

neg: Pectoral sandpiper and again in late August; today, the bulk of the northward migration takes place in April already, and most birds do not return until mid-September. These birds forage on grasslands and mudflats, picking up food by sight, sometimes by probing. They mainly eat arthropods and other invertebrates. The male has a courtship display which involves puffing up his breast, which has a fat sac in the breeding season to enhance his performance. The pectoral sandpiper builds a steep-sided scrape nest with a considerable volume of lining material. The nest is deep enough that the eggs sit about below ground level,

neg: Aegithalidae Aegithalidae The bushtits or long-tailed tits, Aegithalidae, are a family of small, drab passerine birds with moderately long tails. The family contains 13 species in four genera, all but one of which are found in Eurasia. Bushtits are active birds, moving almost constantly while they forage for insects in shrubs and trees. During non-breeding season, birds live in flocks of up to 50 individuals. Several bushtit species display cooperative breeding behavior, also called helpers at the nest. All the Aegithalidae are forest birds, particularly forest edge and understory habitats. The species in the genus "Aegithalos" prefer deciduous or mixed deciduous

neg: Pipipi are one of the main hosts for the long-tailed cuckoo in the South Island and Stewart Island and can sometimes be seen feeding a much larger cuckoo chick during the summer months. They can also be parasitised by shining cuckoos. Brown creepers have a high rate of rejection for long-tailed cuckoo eggs in their nests. This is due to the fact that brown creepers have an open nest as opposed to a closed or cavity nest. Having an open nest allows for more light to get in and increases the chance of the birds noticing a foreign egg. Despite all

neg: Saffron toucanet (DBH) was between 44–132 cm. They do not tend to reuse the same cavities for their nests. Courtship for these birds involves the male singing and feeding the female. They will preen each other. The female will lay two or three eggs that are incubated by both parents for about 16 days. The diet of the saffron mainly consists of fruit, like figs and palm fruits. They have also been noted to eat young birds. In one study, a saffron toucanet was observed entering a red-rumped cacique nest, removing the nest contents by swallowing them, and flew away. All of

neg: Mountain plover vegetation short. Plovers like to nest among prairie dog colonies because the foraging and burrowing that these animals do expose even more bare soil which creates an ideal habitat for plover nest sites. It is believed that plovers like to nest on bare soil because they blend into the land hiding them from birds that may prey on them and the short vegetation allows them to easily detect predators on the ground. It is also believed it is easier for them to spot insects to eat. A mountain plover nest has a survival rate that ranges from 26 to 65%.

neg: Yellow-eyed penguin Most Antarctic penguin species nest in large high density aggregations of birds. For an example see the photo of nesting emperor penguin. In contrast yellow-eyed penguins do not nest within visual sight of each other. While they can be seen coming ashore in groups of four to six or more individuals then disperse along track to individual nests sites out of sight of each other. The consensus view of New Zealand penguin workers is that it is preferable to use habitat rather than colony to refer to areas where yellow-eyed penguins nest. Nest sites are selected in August and normally

neg: Garner State Park their nest and are endangered because of their loss of nesting habitat. The black-capped vireo are extremely small birds that also nest in Texas in the spring but from April to July. They make their nests in low shrubs but are endangered because of the destruction of their habitats by grazing, clearing and fire suppression. Upon arrival at the park, there are many options to choose on where to stay such as a campsite, cabin, or in a screened shelter. The least expensive would be staying at a campsite compared to staying in a cabin. In cabins, there is a

neg: Acorn woodpecker in two ways: coalitions and family groups. Coalitions of adult acorn woodpeckers nest together, localizing to storage granaries. Additionally, adult offspring often stay in their parents' nest and help raise the next generation of woodpeckers. It is generally believed that limited territories drive cooperative breeding behavior in birds, and in the case of the acorn woodpecker, this limited territory is the acorn storage granary. As mentioned, adult acorn woodpeckers live together in "coalitions", which consist of up to seven co-breeding males and up to three joint-nesting females; however, most nests are made up of only three males and two females.

neg: Honeymoon Island State Park of species of plants and animals including south Florida slash pines, mangroves, and several threatened and endangered species. Osprey and various species of tern, plover, and wading birds reside on the island or stop during spring and fall migration. Dolphin pods are often sighted within yards of the shore. In the autumn of 2008, a pair of bald eagles made a nest on Osprey Trail in the park. Assuming that the nest is still in place, visitors must stay back 300 feet; but the location is well marked and easily observed with binoculars. Mosquitoes are quite prevalent in the picnic

neg: Cassin's finch North America as far south as northern New Mexico and Arizona; also Southern California near Baja California. They nest in large conifers. They move to lower elevations in winter. Northernmost breeding birds migrate south, as do some birds throughout the range of the species; many birds are permanent residents, however. Some non-breeding birds winter as far south as central interior Mexico. These birds forage in trees, sometimes in ground vegetation. They mainly eat seeds, buds and berries, some insects. When not nesting, they often feed in small flocks. This bird was named after John Cassin, who was a curator at

neg: Bennet family Bennet couple do not assume their role as educators: the mother repeatedly makes a spectacle of herself, incapable of realizing that her behaviour is more likely to put off any rich, eligible young man who noticed the oldest and most pretty of her daughters. All the while, the father, an indifferent husband, whose mocking gaze only makes things worse, since he has long-since given up on reining in her behaviour, more intent on 'enjoying the show' than in correcting her behaviour, and the behaviour of his younger daughters, regardless of how negatively it affects his daughters' chances of respectable matches.

neg: Pair bond may share with others but are unable to articulate in terms of contemporary "love". Close to ninety percent of birds are “monogamous”, which is significant compared to the only five percent of mammals that are classified as such. This is not to mean they stay together forever. Some do, such as swans, some cranes and geese. There are more specific examples, such as bald eagles, California condors and the Atlantic Puffin. Those are just some examples of the other "10%" though. The other large percentage of pair bond in birds would be classified under a long-term pair bond which is

neg: Kinglet stay in the nest for 19 to 24 days. After being fed, nestlings make their way down to the bottom of the nest, pushing their still-hungry siblings up to be fed in their turn (but also to be cold). Kinglets are the most fecund and shortest-living of all altricial birds, and probably the shortest-lived apart from a few smaller galliform species. Adult mortality for the goldcrest is estimated at over 80 percent per year and the maximum lifespan is only six years. The four continental "Regulus" species all have very large ranges and populations. The two single-island endemics are common

neg: Torresian crow then stay with their parents for several months after fledging, before joining the nomadic flock. Torresian crows aggressively defend their nest from goannas, snakes and birds of prey with aggressive dive-bombs. Dogs, cats and humans are also occasionally swooped in nest defence, however not nearly as aggressively as notorious species such as Australian magpies and masked lapwings. Their voice is quite different from the Australian raven: a nasal ""uk-uk-uk-uk-uk"" or sometimes an ""ok-ok-ok-ok"". Torresian crow The Torresian crow ("Corvus orru"), also called the Australian crow or Papuan crow, is a passerine bird in the crow family native to the north