Humans are the only primates with chins — no other ape has a true chin.

Megalodon was one of the largest sharks to ever exist.

Fact #623 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals

Some birds use tools to obtain food.

Fact #294 · Animals

The Arctic tern migrates farther than any other bird.

Fact #450 · Animals

Some species of octopus can escape through very small openings.

Fact #451 · Animals

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

Some sharks can reproduce without a mate in rare cases.

Fact #544 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals