Why Dogs Have Floppy Ears: An Animated Tale

Why Dogs Have Floppy Ears: An Animated Tale
A still featuring a wolf with upright ears and a dog with drooping ears.

Why do dogs look different from wolves? The question bedeviled Charles Darwin. Now scientists have a fascinating theory that links droopy ears and splotchy coats with domestication.

(Image credit: Adam Cole/NPR's Skunk Bear)