Dolphins have names for one another.
18
Raj from the Big Bang Theory is married to Miss India.
11
When cats are happy, they may squeeze their eyes shut.
10
When dragonflies mate, their tails form a love heart.
22
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26