Dolphins have names for one another.
18
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Baby rabbits are called kittens.
6
Some British police cars carry a teddy bear to console children after an accident.
46