Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Parrot parents "name" their children with a signature call.
112
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
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A cow produces around 200,000 glasses of milk in her lifetime.
373