Cats and dogs can hear ultrasound.
350
The colossal squid has the largest eyes in the world.
4
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
Only 3% of bird species have penises.
0