The reindeer is the only mammal that can see UV light.
17
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
Drivers kill more deer than hunters do.
660
A dork is a whale's penis.
327
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23