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.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Raj from the Big Bang Theory is married to Miss India.
11
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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