A puppy is born blind, deaf, and toothless.
16
A group of kittens is called a "kindle".
10
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
One litter of kittens can be produced by more than one father.
57
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A new born kangaroo is small enough to fit in a spoon!
7