NatGeo
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As ostriches are the largest birds in the world they have the largest eyes of any bird in the world. Measuring at 5 centimetres in diameter from front to back, the ostrich eye is five times bigger than the human eye and any other land animal. Interestingly enough ostriches can see colour.
Spoonbills are a genus, Platalea, of large, long-legged wading birds. The spoonbills have a global distribution, being found on every continent except Antarctica. The genus name Platalea derives from Ancient Greek and means "broad", referring to the distinctive shape of the bill. Six species are recognised, which although usually placed in a single genus have sometimes been split into three genera.
All spoonbills have large, flat, spatulate bills and feed by wading through shallow water, sweeping the partly opened bill from side to side. The moment any small aquatic creature touches the inside of the bill—an insect, crustacean, or tiny fish—it is snapped shut. Spoonbills generally prefer fresh water to salt but are found in both environments. They need to feed many hours each day.
The genus Platalea was introduced in 1758 by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae. The genus name is Latin for "spoonbill" and is derived from the Ancient Greek platea meaning "broad", referring to the distinctive shape of the bill. The type species was designated as the Eurasian spoonbill (Platalea leucorodia) by George Robert Gray in 1840
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Bird# 88
Bird Description: flic.kr/p/2k5bA7F
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Barn Swallow with string attached , and a prey . Great lawn ,Central park.
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The bearded vulture (Gypaetus barbatus), also known as the lammergeier or ossifrage, is a bird of prey.
The acid concentration of the bearded vulture stomach has been estimated to be of pH about 1 and large bones will be digested in about 24 hours, aided by slow mixing/churning of the stomach content. The high fat content of bone marrow makes the net energy value of bone almost as good as that of muscle, even if bone is less completely digested. A skeleton left on a mountain will dehydrate and become protected from bacterial degradation and the bearded vulture can return to consume the remainder of a carcass even months after the soft parts have been consumed by other animals, larvae and bacteria.
Like other vultures it is a scavenger, feeding mostly on the remains of dead animals. It usually disdains the actual meat, however, and lives on a diet that is typically 85–90% bone marrow. This is the only living bird species that specializes in feeding on marrow. The bearded vulture can swallow whole or bite through brittle bones up to the size of a lamb's femur and its powerful digestive system quickly dissolves even large pieces. The bearded vulture has learned to crack bones too large to be swallowed by carrying them in flight to a height of 50–150 m (160–490 ft) above the ground and then dropping them onto rocks below, which smashes them into smaller pieces and exposes the nutritious marrow. They can fly with bones up to 10 cm (3.9 in) in diameter and weighing over 4 kg (8.8 lb), or nearly equal to their own weight. After dropping the large bones, the bearded vulture spirals or glides down to inspect them and may repeat the act if the bone is not sufficiently cracked. This learned skill requires extensive practice by immature birds and takes up to seven years to master. Its old name of ossifrage ("bone breaker") relates to this habit. More seldom, these birds have been observed to try to break bones (usually of a medium size) by hammering them with their bill directly into rocks while perched. During the breeding season they feed mainly on carrion. They prefer limbs of sheep and other small mammals and they carry the food to the nest unlike other vultures which feed their young by regurgitation.
Live prey is sometimes attacked by the bearded vulture, with perhaps greater regularity than any other vulture. Among these, tortoises seem to be especially favored depending on their local abundance. Tortoises preyed on may be nearly as heavy as the preying vulture. When killing tortoise, bearded vultures also fly to some height and drop them to crack open the bulky reptiles' hard shells. Golden eagles have been observed to kill tortoises in the same way. Other live animals, up to nearly their own size, have been observed to be predaciously seized and dropped in flight. Among these are rock hyraxes, hares, marmots and, in one case, a 62 cm (24 in) long monitor lizard. Larger animals have been known to be attacked by bearded vultures, including ibex, Capra goats, Chamois and Steenbok. These animals have been killed by being surprised by the large birds and battered with wings until they fall off precipitous rocky edges to their deaths; although in some cases these may be accidental killings when both the vulture and the mammal surprise each other. Many large animals killed by bearded vultures are unsteady young, or have appeared sickly or obviously injured. Humans have been anecdotally reported to have been killed in the same way. However, this is unconfirmed and, if it does happen, most biologists who have studied the birds generally agreed it would be accidental on the part of the vulture. Occasionally smaller ground-dwelling birds, such as partridges and pigeons, have been reported eaten, possibly either as fresh carrion (which is usually ignored by these birds) or killed with beating wings by the vulture. While foraging for bones or live prey while in flight, bearded vultures fly fairly low over the rocky ground, staying around 2 to 4 m (6.6 to 13.1 ft) high. Occasionally, breeding pairs may forage and hunt together. In the Ethiopian Highlands, bearded vultures have adapted to living largely off human refuse.
Dieser kleine Frischling hatte seine Familie verloren und lief suchend umher. Als er einen kleinen Graben schwimmend
überquerte hatte ich die Gelegenheit schnell ein Foto zum machen.
This little freshman had lost his family and was wandering around looking for them. As it swam across a small ditch, I had the opportunity to take a quick photo.
The Indian eagle-owl, also called the rock eagle-owl or Bengal eagle-owl (Bubo bengalensis), is a species of large horned owl restricted to the Indian Subcontinent. They were earlier treated as a subspecies of the Eurasian eagle-owl. They are found in hilly and rocky scrub forests, and are usually seen in pairs. They have a deep resonant booming call that may be heard at dawn and dusk. They are typically large owls, and have "tufts" on their heads. They are splashed with brown and grey, and have a white throat patch with black small stripes.
This large owl with the distinctive face, large forward-facing eyes, horns and deep resonant call is associated with a number of superstitions. Like many other large owls, these are considered birds of ill omen. Their deep haunting calls if delivered from atop a house are considered to forebode the death of an occupant. A number of rituals involving the capture and killing of these birds have been recorded. Salim Ali notes a wide range of superstitions related to them but notes two as being particularly widespread. One is that if the bird is starved for a few days and beaten, it would speak like a human, predicting the future of the tormentor or bringing them wealth while the other involves the killing of the bird to find a lucky bone that moved against the current like a snake when dropped into a stream.Belief in these superstitions has led to the persecution of the species in many areas by tribal hunters. The capture of these birds is illegal under Indian law but an underground market continues to drive poaching.
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Indian paradise flycatchers (Terpsiphone paradisi) are noisy birds uttering sharp skreek calls. They have short legs and sit very upright whilst perched prominently, like a shrike. They are insectivorous and hunt in flight in the understorey. In the afternoons they dive from perches to bath in small pools of water.
Blue Jay and Forsythia flowers at Cherry hills , Central park
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