Clownfish are all born male and the dominant fish in a group can change sex to become female.

Some birds migrate between hemispheres each year.

Fact #203 · Animals

A cheetah can accelerate from 0 to 60 mph in a few seconds.

Fact #363 · Animals

A great horned owl has powerful talons for hunting.

Fact #449 · Animals

A lion’s mane can signal strength and health.

Fact #460 · Animals

Some frogs carry their tadpoles on their backs.

Fact #354 · Animals

Certain species of ants form massive supercolonies.

Fact #475 · Animals

Certain species of ants farm aphids for food.

Fact #360 · Animals

Octopuses have three hearts and blue blood.

Fact #1 · Animals