Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Condoms were originally made of animal intestines or linen.
347
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The reindeer is the only mammal that can see UV light.
17
There's a rare breed of pig that looks like a sheep.
14
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5