Bats sleep 18-20 hours per day.
5
A lion in the wild usually makes no more than twenty kills a year.
186
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Parrot parents "name" their children with a signature call.
112
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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