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A juvenile bird during the period it is venturing from or has left the nest and is learning to run and fly; a young bird during the period immediately after fledging, when it is still dependent upon parental care and feeding. [213] flight Most birds can fly, which distinguishes them from almost all other vertebrate classes (cf. bats and ...
The kagu possesses 'nasal corns', structures covering its nostrils, which are a feature not shared by any other bird. This bird is a juvenile, lacking the brightly coloured bill of the adult. The kagu is a ground-living bird, 55 cm (21 + 1 ⁄ 2 in) in length. The weight can vary considerably by individual and by season, ranging from 700 to ...
Male jacanas brood eggs between the wings and the body. This wing-brooding may be assisted by a special adaptation in the wing bones with either a broadening of the radius or a widening of the gap between the radius and ulna. Young chicks may also be held under the wing and transported to safety by the parent bird in some species. [21]
The males continues to incubate the remaining eggs while brooding the hatched chicks. When all the eggs have hatched, the male will dispose of the remaining egg shells. It will also lead the chicks away from the nest within the next 24 hours. [17] Jacana pair and chick near a caiman. Chicks are able to swim, dive and feed shortly after they hatch.
When predators such as the great black hawk attack a hoatzin nesting colony, the adults fly noisily about, trying to divert the predator's attention, while the chicks move away from the nest and hide among the thickets. If discovered, however, they drop into the water and swim under the surface to escape, then later use their clawed wings to ...
The genus Fulmarus was introduced in 1826 by the English naturalist James Stephens. [1] The name comes from the Old Norse Fúlmár meaning "foul-mew" or "foul-gull" because of the birds' habit of ejecting a foul-smelling oil. [2] The type species was designated by George Gray in 1855 as the northern fulmar. [3] [4]
Like examples of continued traditional whale harvesting, the modern-day hunting of gannet chicks results in great controversies as to whether it should continue to be afforded "exemption from the ordinary protection afforded to sea birds in UK and EU law". The Ness hunt is currently limited to 2,000 chicks per year, and dates back at least to ...
White-throated dipper (C. cinclus). Dippers are small, chunky, stout, short-tailed, short-winged, strong-legged birds. The different species are generally dark brown (sometimes nearly black), or brown and white in colour, apart from the rufous-throated dipper, which is brown with a reddish-brown throat patch.