Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5