Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Dolphins have names for one another.
18
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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A group of kittens is called a "kindle".
10
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
One litter of kittens can be produced by more than one father.
57
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26