Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Denmark has twice as many pigs as there are people.
66
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
The head of a jellyfish is called the "Bell."
6