When dragonflies mate, their tails form a love heart.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Dolphins have names for one another.
18
Sea otters hold hands while sleeping so they don’t drift away from each other.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Some British police cars carry a teddy bear to console children after an accident.
46
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81