Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The largest earthworm on record was found in South Africa and measured 22 feet.
151
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27