Sharks, like other fish, have their reproductive organs in their chests.
248
Mosquitoes don't just bite you, they also pee on you.
11
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The cat brain weighs about 30g.
167
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dogs sometimes fake being sick to get attention.
26