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Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Auks or alcids are birds of the family Alcidae in the order Charadriiformes. [1] The alcid family includes the murres, guillemots, auklets, puffins, and murrelets.The family contains 25 extant or recently extinct species that are divided into 11 genera.
Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land. Three species have been regularly recorded in Australia, and a fourth is a vagrant. Australasian grebe
The specific epithet is from allē, the Lapp word for the long-tailed duck (Clangula hyemalis). [12] The species was formerly placed in the genus Plautus , [ 11 ] but in 1973 this name was suppressed by the commission of the International Code of Zoological Nomenclature [ 13 ] [ 14 ] [ 15 ] and now the little auk is the only species placed in ...
Plunge-diving is a special form of foraging that involves a transition from air to water. [citation needed] Plunge-diving birds are notable for their beaks, necks, and morphing wings. Plunge-diving birds generally have a higher beak angle ratio than others. [5] Beak angle ratio is defined as the top angle divided by the side angle.
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The deployment of capillary depth recorders, which record the maximum dive depth undertaken by a bird, has shown that while some species, such as the wandering albatross, do not dive deeper than a metre, some species, such as the light-mantled albatross, have a mean diving depth of almost 5 m (16 ft) and can dive as deep as 12.5 m (41 ft). [34]
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