The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The elephant brain weighs about 6,000g.
274
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
Ants have tiny magnetic compasses in their antennae which help them navigate.
9