The reindeer is the only mammal that can see UV light.
17
A dork is a whale's penis.
327
In Australia, there are spiders big enough to eat snakes.
20
A group of kittens is called a "kindle".
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Basenji dog is the only dog that is not able to bark.
4