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The study of birds is called ornithology. Birds are feathered theropod dinosaurs and constitute the only known living dinosaurs . Likewise, birds are considered reptiles in the modern cladistic sense of the term, and their closest living relatives are the crocodilians .
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
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]
In total there are about 10,000 species of birds described worldwide, though one estimate of the real number places it at almost twice that. [1] The order passerines (perching birds) alone accounts for well over 5,000 species.
Ornithology is a branch of zoology that concerns the study of birds. [1] Several aspects of ornithology differ from related disciplines, due partly to the high visibility and the aesthetic appeal of birds. [2]
When spring nears, many beginner bird-watchers are curious about what they think is a new species in their yard. But, in fact, it’s only the male American goldfinch that’s “changed its coat ...
These birds are mainly small, stocky, woodland species with short, stout bills. Some have crests. They range in length from 10 to 22 cm (3.9 to 8.7 in). They are adaptable birds, with a mixed diet including seeds and insects. [3] Many species live around human habitation and come readily to bird feeders for nuts or seed, and learn to take other ...
Bowerbirds (/ ˈ b aʊ. ər b ɜːr d /) make up the bird family Ptilonorhynchidae. They are renowned for their unique courtship behaviour, where males build a structure and decorate it with sticks and brightly coloured objects in an attempt to attract a mate. The family has 27 species in eight genera. [1]