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
The reindeer is the only mammal that can see UV light.
17
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14