![The bird book. Birds. COMPARING BONES. 69 (called in birds the tibio-tarsus), which runs from knee to ankle, and the tarso-metatarsus (usually called the " tarsus "), which is the part The bird book. Birds. COMPARING BONES. 69 (called in birds the tibio-tarsus), which runs from knee to ankle, and the tarso-metatarsus (usually called the " tarsus "), which is the part](https://c8.alamy.com/comp/RHK1W6/the-bird-book-birds-comparing-bones-69-called-in-birds-the-tibio-tarsus-which-runs-from-knee-to-ankle-and-the-tarso-metatarsus-usually-called-the-quot-tarsus-quot-which-is-the-part-of-the-leg-between-the-heel-and-the-toe-joints-the-part-we-see-in-life-and-call-the-quot-leg-quot-of-the-bird-you-will-not-find-anything-in-your-own-body-resembling-this-though-it-really-takes-the-place-of-the-bones-in-your-own-foot-and-instep-and-is-made-up-by-the-welding-together-of-several-little-bones-all-you-need-to-remember-is-that-the-name-is-tarsus-and-the-plural-of-it-is-tarsi-the-RHK1W6.jpg)
The bird book. Birds. COMPARING BONES. 69 (called in birds the tibio-tarsus), which runs from knee to ankle, and the tarso-metatarsus (usually called the " tarsus "), which is the part
![Skeletal plasticity in response to embryonic muscular activity underlies the development and evolution of the perching digit of birds | Scientific Reports Skeletal plasticity in response to embryonic muscular activity underlies the development and evolution of the perching digit of birds | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep09840/MediaObjects/41598_2015_Article_BFsrep09840_Fig1_HTML.jpg)
Skeletal plasticity in response to embryonic muscular activity underlies the development and evolution of the perching digit of birds | Scientific Reports
![Bird Leg Bone Skeleton With Claws Witchcraft Magic Occult Attribute Decorative Element Hand Drawing Vector Stock Illustration - Download Image Now - iStock Bird Leg Bone Skeleton With Claws Witchcraft Magic Occult Attribute Decorative Element Hand Drawing Vector Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/1150194129/vector/bird-leg-bone-skeleton-with-claws-witchcraft-magic-occult-attribute-decorative-element-hand.jpg?s=1024x1024&w=is&k=20&c=I3Vi8Su5YonjppmHxtIC0nzY23sGEbkPKi_iJ0w5gjo=)
Bird Leg Bone Skeleton With Claws Witchcraft Magic Occult Attribute Decorative Element Hand Drawing Vector Stock Illustration - Download Image Now - iStock
![Human Leg Bones And Bird Skeletons Jigsaw Puzzle by Philip Dowell / Dorling Kindersley / Natural History Museum, London - Pixels Human Leg Bones And Bird Skeletons Jigsaw Puzzle by Philip Dowell / Dorling Kindersley / Natural History Museum, London - Pixels](https://images.fineartamerica.com/images-medium-5/human-leg-bones-and-bird-skeletons-philip-dowell--dorling-kindersley--natural-history-museum-london.jpg)
Human Leg Bones And Bird Skeletons Jigsaw Puzzle by Philip Dowell / Dorling Kindersley / Natural History Museum, London - Pixels
![3,200+ Bird Skeleton Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Bird bones, Bird xray, Birds 3,200+ Bird Skeleton Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Bird bones, Bird xray, Birds](https://media.istockphoto.com/id/1077772314/vector/engraving-illustration-of-bird-skeleton.jpg?s=612x612&w=0&k=20&c=qD5CGpPK6czgz7XEHvkegLpsifkZHuEJumB_FO174qU=)
3,200+ Bird Skeleton Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Bird bones, Bird xray, Birds
![Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com](https://images.squarespace-cdn.com/content/v1/51bf1cd3e4b0a897bf54112b/1371485566509-PFOTCA89UJSORRJZ2D4S/image-asset.png)
Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com
![Post‐hatching growth of the limbs in an altricial bird species - Yan - 2021 - Veterinary Medicine and Science - Wiley Online Library Post‐hatching growth of the limbs in an altricial bird species - Yan - 2021 - Veterinary Medicine and Science - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/905adfed-efe8-4b15-9752-44e12546bc68/vms3357-fig-0001-m.jpg)