The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Dolphins have names for one another.
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cows can sleep standing up, but they can only dream lying down.
745
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Lobsters have blue blood.
476