Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Cows can sleep standing up, but they can only dream lying down.
745
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Only 3% of bird species have penises.
0