mammals

408

If you look closely, you can see that these are bats. How do they keep from bumping into each other when they are all flying together?

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?

429

In many parts of the world, pigs are used to locate truffles. Dogs can be trained to find truffles, but pigs find them with no training at all. Why are pigs so good at finding them?

437

The Cheetah is the world's fastest land animal. What is the second fastest land animal?

448

Our friends have a huge crop of hickory nuts this year, and I noticed these in their yard. What do these hickory nuts tell us?

Bird Bones

One of the important ways that we learn about anatomy is by dissection. The word "dissection: may make you think of dead frogs in bottles of preservative, but you probably dissect things frequently. You just don't think of it as dissection. Instead, you think of it as dinner.

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