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
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26