When cats are happy, they may squeeze their eyes shut.
10
A group of kittens is called a "kindle".
10
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
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Denmark has twice as many pigs as there are people.
66
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
The Basenji dog is the only dog that is not able to bark.
4
Dogs sometimes fake being sick to get attention.
26