Early American humans hunted car-size armadillos and used their shells for houses.
12
Only 3% of bird species have penises.
0
Denmark has twice as many pigs as there are people.
66
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 Basenji dog is the only dog that is not able to bark.
4
Dolphins have names for one another.
18
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12