skeletal system

303

This skull has a very strong, sentimental value to me. It is on display at the Memphis Pink Palace Museum. What kind of skull is it?

309

While animals with antlers shed them, and regrow them every year, animals with horns retain them for their entire life. There is one exception to this, an animal that sheds the horn sheath every year. What animal is it?

328

I found this on the beach in St. Augustine, Florida. The sand grains should give you an idea of size. What is it?

417

I photographed this Mule Deer at Bryce Canyon National Park. What is this deer doing that mice and horses can, but pigs, cats, dogs, raccoons, and many other animals can't?

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