Sharks, like other fish, have their reproductive organs in their chests.
248
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
One in three dog owners say they have talked to their pets on the phone.
427
The Basenji dog is the only dog that is not able to bark.
4
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a rare breed of pig that looks like a sheep.
14