It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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
Parrot parents "name" their children with a signature call.
112
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212