Squirrels forget where they hide about half of their nuts.
698
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sharks, like other fish, have their reproductive organs in their chests.
248