Whales and dolphins can't taste anything other than salt.
11
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A group of pugs is called a grumble.
10
The oldest recorded elephant lived for 82 years.
213