Cats and dogs can hear ultrasound.
350
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49