A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
The Basenji dog is the only dog that is not able to bark.
4
Gorillas can catch human colds and other illnesses.
205
A dairy cow can produce more milk when listening to music.
446
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
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