Lobsters have blue blood.
476
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Jellyfish as a species are actually older than dinosaurs and sharks.
383
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Whales and dolphins can't taste anything other than salt.
11
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10