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 dragonflies mate, their tails form a love heart.
22
Sloths take two weeks to digest their food.
243
The reindeer is the only mammal that can see UV light.
17
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
The cat brain weighs about 30g.
167
A cow produces around 200,000 glasses of milk in her lifetime.
373