Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats and dogs can hear ultrasound.
350
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250