A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A puppy is born blind, deaf, and toothless.
16
Baby rabbits are called kittens.
6
One litter of kittens can be produced by more than one father.
57
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When cats are happy, they may squeeze their eyes shut.
10