Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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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
Sea otters hold hands while sleeping so they don’t drift away from each other.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Baby rabbits are called kittens.
6
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11