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  2. Bird feet and legs - Wikipedia

    en.wikipedia.org/wiki/Bird_feet_and_legs

    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.

  3. Bird anatomy - Wikipedia

    en.wikipedia.org/wiki/Bird_anatomy

    Vocal Bird anatomy: Birds produce sounds through the air that passes through the Syrinx, which is shown close up in the bottom right. In order for birds to produce sound, they use an organ located above the lungs called the syrinx , which is composed of tracheal rings, syringeal muscles, Tympaniform membrane, and internal bony structures that ...

  4. Rete mirabile - Wikipedia

    en.wikipedia.org/wiki/Rete_mirabile

    In birds with webbed feet, retia mirabilia in the legs and feet transfer heat from the outgoing (hot) blood in the arteries to the incoming (cold) blood in the veins.The effect of this biological heat exchanger is that the internal temperature of the feet is much closer to the ambient temperature, thus reducing heat loss.

  5. Category:Bird anatomy - Wikipedia

    en.wikipedia.org/wiki/Category:Bird_anatomy

    Pages in category "Bird anatomy" The following 66 pages are in this category, out of 66 total. ... Bird feet and legs; Bird vision; Bird wing; Brood patch; Budgerigar ...

  6. Tarsometatarsus - Wikipedia

    en.wikipedia.org/wiki/Tarsometatarsus

    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

  7. Geologists Found Ancient Bird Footprints That Are 60 Million ...

    www.aol.com/archaeologists-found-ancient-bird...

    Adding to this conundrum are fossilized footprints of bird-like tracks that are 210 million years old—a good 60 million years before the arrival of the genus Archaeopteryx, one of the oldest ...

  8. List of terms used in bird topography - Wikipedia

    en.wikipedia.org/wiki/List_of_terms_used_in_bird...

    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.

  9. Millions of years before the earliest birds appeared, mystery ...

    www.aol.com/news/birdlike-footprints-triassic...

    A new analysis of three-toed fossil footprints that date back more than 210 million years reveals that they were created by bipedal reptiles with feet like a bird’s.

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