The cat brain weighs about 30g.
167
Two dogs were among the Titanic survivors.
262
There's a rare breed of pig that looks like a sheep.
14
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Gorillas can catch human colds and other illnesses.
205