George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
The cat brain weighs about 30g.
167
When cats are happy, they may squeeze their eyes shut.
10
Only 3% of bird species have penises.
0