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Anatomy of the avian eye. The main structures of the bird eye are similar to those of other vertebrates.The outer layer of the eye consists of the transparent cornea at the front, and two layers of sclera — a tough white collagen fibre layer which surrounds the rest of the eye and supports and protects the eye as a whole.
The terms aerial view and aerial viewpoint are also sometimes used synonymous with bird's-eye view. The term aerial view can refer to any view from a great height, even at a wide angle, as for example when looking sideways from an airplane window or from a mountain top.
The Accipitriformes (/ æ k ˌ s ɪ p ɪ t r ɪ ˈ f ɔːr m iː z /; from Latin accipiter 'hawk' and formes 'having the form of') are an order of birds that includes most of the diurnal birds of prey, including hawks, eagles, vultures, and kites, but not falcons.
The Palaeognathae or "old jaws" is one of the two superorders recognized within the taxonomic class Aves and consist of the ratites and tinamous.The ratites are mostly large and long-legged, flightless birds, lacking a keeled sternum.
Three people birdwatching with binoculars. Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science.A birdwatcher may observe by using their naked eye, by using a visual enhancement device such as binoculars or a telescope, by listening for bird sounds, [1] [2] watching public webcams, or by viewing smart bird feeder cameras.
Size of Mellisuga helenae (bee hummingbird) – the world's smallest bird – compared to a human hand Adult male bee hummingbird, Cuba. Hummingbirds are the smallest known and smallest living avian theropod dinosaurs.
The anatomy of bird legs and feet is diverse, encompassing many accommodations to perform a wide variety of functions. [1]Most birds are classified as digitigrade animals, meaning they walk on their toes rather than the entire foot.
A regent bowerbird arranging items in its bower.. The Ailuroedus catbirds are monogamous, with males raising chicks with their partners, but all other bowerbirds are polygynous, with the female building the nest and raising the young alone.