One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Mosquitoes don't just bite you, they also pee on you.
11
When you shave a guinea pig it looks like a little hippo.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Early American humans hunted car-size armadillos and used their shells for houses.
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Only 3% of bird species have penises.
0
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7