The cat brain weighs about 30g.
167
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
Parrot parents "name" their children with a signature call.
112
Giant Anteaters' front legs look like a panda.
48
Female kangaroos have three vaginas.
2