The cat brain weighs about 30g.
167
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A dairy cow can produce more milk when listening to music.
446
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4