One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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A group of pugs is called a grumble.
10
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6