Cats and dogs can hear ultrasound.
350
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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