Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
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
The elephant brain weighs about 6,000g.
274
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10