The cat brain weighs about 30g.
167
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
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
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
A group of kittens is called a "kindle".
10