Silkworms produce a single thread up to 900 meters long when creating a cocoon.

Some birds use tools to obtain food.

Fact #294 · Animals

Some ants cultivate fungus as a food source.

Fact #521 · Animals

A grizzly bear can run surprisingly fast over short distances.

Fact #492 · Animals

A fox has keen hearing adapted for hunting small prey.

Fact #534 · Animals

Some species of octopus can escape through very small openings.

Fact #451 · Animals

A honeybee colony functions as a highly coordinated unit.

Fact #409 · Animals

A dolphin’s brain is relatively large compared to its body size.

Fact #456 · Animals

Polar bears have black skin beneath their white fur.

Fact #26 · Animals