Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cats recognise the voice of their owner, but never evolved to care.
22
Denmark has twice as many pigs as there are people.
66
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
Whales and dolphins can't taste anything other than salt.
11