The Knees Have It
We were watching a dog walk this last weekend and realized that two of it's knees bend backwards. That observation, of course, spurred the larger question, what other animals or birds have backwards knees.
Birds (all including seagulls, ostrich, flamingos, etc.)
Dogs (all including coyotes, foxes, wolves, etc.)
Cats (all including cheetahs, mountain lions, etc.)
Horses (all including zebras, etc.)
Lizards
Crocodiles
Deer (all including antelope, etc.)
Frogs
Hippopotamus
Giraffes
Sheep
Cows
Goats
Lots of bugs
And, if you count our arms, humans!
Yet another indicator of the evolution of the human race ... ooh, a four letter word (x2).
2 Comments:
I noticed this anatomical quirk back when I first got into drawing from observation. Come to think of it, I don't think it was until I got a "how to draw horses" book that it dawned on me -- the reason all my horse drawings up until that point looked odd was that I'd been drawing the back legs bending the wrong way. I still draw horses sometimes, just for funsies.
Well, you just never know when something is going to be educational, even a How to Draw a Horse book.
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