The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
There are approximately three chickens for every human on Earth.
13
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1