Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Dogs sometimes fake being sick to get attention.
26
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13