Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
A group of kittens is called a "kindle".
10
Dolphins have names for one another.
18
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
One litter of kittens can be produced by more than one father.
57