Dolphins have names for one another.
18
Mosquitoes don't just bite you, they also pee on you.
11
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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