Did you know that cats have 32 muscles in each ear?  I didn't.  This
informative video is chock full of little known facts about 25 different
animals, making it a crash-course for any animal enthusiast.  One of the topics it covers is why beavers gnaw on wood... and what would happen if they didn't...

While I'm sure some of you knew some of these facts, I'll bet you didn't know all of them!  I know I didn't!

Video uploaded by list25 on November 19, 2012.

For more fun animal videos, click here!