Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cows can sleep standing up, but they can only dream lying down.
745
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The reindeer is the only mammal that can see UV light.
17