Whales and dolphins can't taste anything other than salt.
11
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9