Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
When dragonflies mate, their tails form a love heart.
22
When cats are happy, they may squeeze their eyes shut.
10
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
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
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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