“Why do deer knees bend backwards!?” Freak of the Week #36


Elk Elk
Bison Bison

Here is a little bit different Freak of the Week for you! It’s a question that I’ve been asked several times, so I thought I’d put it out there for you to ponder: “Why do deer knees bend backwards?” It’s not just deer, but the question can be asked of elk (which is really just a large species of deer), bison, cattle, horse, or any other large ungulate. In fact, this apples to most birds too! See the photo below of the Great Blue Heron. How would you answer this question!?

Posted May 8, 2015

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