Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Nicole Kidman is scared of butterflies.
65
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Whales and dolphins can't taste anything other than salt.
11