One litter of kittens can be produced by more than one father.
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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.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13