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
When cats are happy, they may squeeze their eyes shut.
10
Dolphins have names for one another.
18
A group of kittens is called a "kindle".
10
A group of pugs is called a grumble.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26