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External anatomy of a typical bird: 1 Beak, 2 Head, 3 Iris, 4 Pupil, 5 Mantle, 6 Lesser coverts, 7 Scapulars, 8 Coverts, 9 Tertials, 10 Rump, 11 Primaries, 12 Vent, 13 Thigh, 14 Tibio-tarsal articulation, 15 Tarsus, 16 Feet, 17 Tibia, 18 Belly, 19 Flanks, 20 Breast, 21 Throat, 22 Wattle, 23 Eyestripe Topography of a typical passerine.
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]
Since the scientific evidence limit behavior and mental processes of the birds compared to human intelligence, Hoopoes have been a subject of discussion.Some people argue "Hudhud" was possibly a human employed for communicating messages, as a bird could not be credited with the intellectual capability of humans, concept learning and expression, which is marked by recognize patterns, solve ...
Anatomical structures on the head and throat of a domestic turkey. 1. Caruncles, 2. Snood, 3. Wattle (dewlap), 4. Major caruncle, 5. Beard. A caruncle is defined as 'a small, fleshy excrescence that is a normal part of an animal's anatomy'. [1] Within this definition, caruncles in birds include wattles (or dewlaps), combs, snoods, and earlobes.
This is a list of the bird species recorded in Pakistan.The avifauna of Pakistan include a total of 792 species. The chukar (Alectoris chukar) is the official national bird of Pakistan, and the shaheen falcon is the symbolic icon of the Pakistan Air Force and Pakistan Avicultural Foundation, one bird is endemic.
Gauthier and de Queiroz identified four different definitions for the same biological name "Aves", which is a problem. [15] The authors proposed to reserve the term Aves only for the crown group consisting of the last common ancestor of all living birds and all of its descendants, [15] which corresponds to meaning number 4 below. They assigned ...
Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight.Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly.
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.