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Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight.Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly.
The ortolan bunting is 16–17 centimetres (6 + 1 ⁄ 4 – 6 + 3 ⁄ 4 inches) in length and has a wing-span of 23–29 cm (9– 11 + 1 ⁄ 2 in). [9] In appearance and habits it much resembles its relative the yellowhammer , but lacks the bright colouring of that species; the ortolan's head, for instance, is greenish-grey, instead of a bright ...
In bird anatomy, the gape is the interior of the open mouth of a bird, and the gape flange is the region where the two mandibles join together at the base of the beak. [33] The width of the gape can be a factor in the choice of food. [34] The gape flange on this juvenile house sparrow is the yellowish region at the base of the beak.
They have proportionally large heads for their body size and long wings and tails. The large head is dominated by a massive broad bill and enormous eyes. In the treatment of the family in the Handbook of the Birds of the World, Cohn-Haft describes the potoos as "little more than a flying mouth and eyes". [6]
The hooded crow (Corvus cornix), also called the scald-crow or hoodie, [1] is a Eurasian bird species in the genus Corvus. Widely distributed, it is found across Northern, Eastern, and Southeastern Europe, as well as parts of the Middle East. It is an ashy grey bird with black head, throat, wings, tail, and thigh feathers, as well as a black ...
The Zambezi indigobird (Vidua codringtoni), also known as the twinspot indigobird or green indigobird, is a species of bird in the family Viduidae. It is found in Malawi, Tanzania, Zambia, and Zimbabwe. It appears on Zambia's new 5 ngwee coin.
The tawny frogmouth was first described in 1801 by the English naturalist John Latham. [4] Its specific epithet is derived from Latin strix 'owl' and oides 'form'. Tawny frogmouths belong to the frogmouth genus Podargus, which includes the two other species of frogmouths found within Australia, the marbled frogmouth and the Papuan frogmouth. [5]
They are compact stubby birds with short tails, broad and rounded wings, and big heads. The bill is short and has a wide gap. Females and first-year males have dull green plumage; most species are sexually dichromatic in their plumage , [ 2 ] the males being mostly black with striking colours in patches, [ 3 ] and in some species having long ...