Whales and dolphins can't taste anything other than salt.
11
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Cats and dogs can hear ultrasound.
350
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
A dork is a whale's penis.
327
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12