Only 3% of bird species have penises.
0
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12