Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Whales and dolphins can't taste anything other than salt.
11
The colossal squid has the largest eyes in the world.
4
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13