The world's smallest bird, the bee hummingbird, weighs less than a penny and lays eggs the size of a pea.

Some crabs can live both on land and in water.

Fact #473 · Animals

A blue whale consumes vast amounts of krill daily.

Fact #478 · Animals

Some ants farm fungi as a food source.

Fact #190 · Animals

A blue whale's heart can weigh over 400 pounds.

Fact #104 · Animals

Certain ants build floating rafts during floods.

Fact #387 · Animals

Some species of octopus can escape through very small openings.

Fact #451 · Animals

Some birds can mimic human speech.

Fact #268 · Animals

Some mammals hibernate during winter.

Fact #303 · Animals