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
Condoms were originally made of animal intestines or linen.
347
Whales and dolphins can't taste anything other than salt.
11
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132