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This stylised bird skeleton highlights the synsacrum Pelvis of a Gull; formed by the Synsacrum (fused vertebrae placed centrally) and the two innominate bones either side The synsacrum is a skeletal structure of birds [ 1 ] and other dinosaurs , [ 2 ] pterosaurs, [ 3 ] as well as xenarthran mammals, [ 4 ] in which the sacrum is extended by ...
Birds have many bones that are hollow (pneumatized) with criss-crossing struts or trusses for structural strength. The number of hollow bones varies among species, though large gliding and soaring birds tend to have the most. Respiratory air sacs often form air pockets within the semi-hollow bones of the bird's skeleton. [1]
This image is a derivative work of the following images: File:Squelette_oiseau.JPG licensed with Cc-by-2.5, GFDL 2006-12-29T20:20:05Z Svtiste 892x1188 (140141 Bytes) Bird squeleton.
The furcula (Latin for "little fork"; pl.: furculae) [a] or wishbone is a forked bone found in most birds and some species of non-avian dinosaurs, and is formed by the fusion of the two clavicles. [1] In birds, its primary function is in the strengthening of the thoracic skeleton to withstand the rigors of flight.
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For example, in the long-tailed duck, the leg and wing bones are not pneumatic, in contrast with some of the other bones, while loons and puffins have even more massive skeletons with no aired bones. [ 15 ] [ 16 ] The flightless ostrich and emu have pneumatic femurs , and so far this is the only known pneumatic bone in these birds [ 17 ] except ...
Pigeon skeleton. Number 8 indicates both left and right tarsometatarsus. The tarsometatarsus is a bone that is only found in the lower leg of birds and some non-avian dinosaurs. . It is formed from the fusion of several bones found in other types of animals, and homologous to the mammalian tarsus (ankle bones) and metatarsal bones (foo
The code of nomenclature and check-list of North American birds adopted by the American Ornithologists' Union; being the report of the Committee of the Union on Classification and Nomenclature Author American Ornithologists' Union