The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Cows can sleep standing up, but they can only dream lying down.
745
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2