There's a rare breed of pig that looks like a sheep.
14
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Nicole Kidman is scared of butterflies.
65
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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11