No, that nasty-looking wart on your finger didn't come from a toad. And yes, giraffes really do need more than 30 minutes of shut-eye in a day. Chances are that one of the "facts" you've come to know about your favorite animal isn't a fact at all. (Cats can swim and dogs do see colors—though in a different way than you probably do.)

Since our fuzzy, furry, finned, and winged friends can't always speak for themselves, Mental Floss Editor-in-Chief Erin McCarthy is here to clear up 21 widespread animal myths. So gather up your pets and check out this week's all-new edition of the Mental Floss List Show. You can watch the full episode below.

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