Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217