Tobacco kills 8 million people annually — more than HIV, tuberculosis, and malaria combined.

Some birds can navigate using the position of the stars.

Fact #235 · Animals

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

Some insects have lifespans of only a few hours as adults.

Fact #411 · Animals

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Some species of octopus can escape through very small openings.

Fact #451 · Animals

A leopard's rosette spots help camouflage it in forests.

Fact #423 · Animals

Some species of ants can form bridges using their bodies.

Fact #420 · Animals

A honeybee colony functions as a highly coordinated unit.

Fact #409 · Animals