Hey guys, birds knees do NOT bend backwardsI hope most of you know that, but since no lesser of a source then Scientific American just got that wrong, I thought it might be something that needs to be addressed. Blog post here: http://skeletaldrawing.blogspot.com/2011/09/um-hey-scientific-american-bird-knees.htmlHey guys, birds knees do NOT bend backwards by ScottHartman
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The short and long of it is that birds knees and thighs are hidden under their body and wing feathers, so sometimes when people look at their ankles (which are quite high on their legs) they mistake them for a knee that bends the wrong way. It's not the knee!
This isn't just important to science nerds and 2-D artists, but it's especially critical to 3-D artists (and the people who rig and animate 3-D models). So please, please, please, tell your friends and relatives that bird knees bend the same way as the knees of everything else.
For those who like to know such things, the bird skeletal above is my Presbyornis skeletal, while the Homo sapiens skeletal is adapted from Ch