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The avian brain is the central organ of the nervous system in birds. Birds possess large, complex brains, which process, integrate, and coordinate information received from the environment and make decisions on how to respond with the rest of the body. Like in all chordates, the avian brain is contained within the skull bones of the head.
Swimming birds have a wide sternum, walking birds have a long sternum, and flying birds have a sternum that is nearly equal in width and height. [19] The chest consists of the furcula (wishbone) and coracoid (collar bone) which, together with the scapula , form the pectoral girdle ; the side of the chest is formed by the ribs, which meet at the ...
The general skull shape is considered the largest argument in favor of bird affinities, but some living lizards (Meroles, Anolis) and extinct reptiles (Avicranium, Teraterpeton) are known to have convergently evolved a bird-like skull shape. The usage of a bird-focused phylogenetic analysis (without considering lizards) also has been criticized.
The skull was relatively immobile, incapable of the kinesis of modern birds that can raise the snout relative to the back of the skull. This immobility was caused by the presence of a triradiate postorbital separating the eye socket from the lower temporal opening, as with more basal theropod dinosaurs, and the premaxillae of the snout reaching ...
The following other wikis use this file: Usage on bs.wikipedia.org Anatomija ptica; Usage on eo.wikipedia.org Birdanatomio; Usage on es.wikipedia.org
Researchers unearthed the skull of a previously unknown starling-sized bird species named Navaornis hestiae that was so well preserved they were able to digitally reconstruct its brain and inner ...
Skull in situ Human head skull from side Anatomy of a flat bone – the periosteum of the neurocranium is known as the pericranium Human skull from the front Side bones of skull. The human skull is the bone structure that forms the head in the human skeleton. It supports the structures of the face and forms a cavity for the brain. Like the ...
Artist's impression of a peryton. The peryton is a mythological hybrid animal combining the physical features of a stag and a bird.The peryton was invented by Jorge Luis Borges in his 1957 Book of Imaginary Beings, using the fictional device of a supposedly long-lost medieval manuscript.
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