Cats slow blink to show trust and affection.

Some species of bats use echolocation to hunt in darkness.

Fact #390 · Animals

Some ants farm fungi as a food source.

Fact #190 · Animals

Some birds can sleep while flying.

Fact #332 · Animals

An ostrich's eye is larger than its brain.

Fact #349 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals

Bees have five eyes.

Fact #356 · Animals

A horned lizard can squirt blood from its eyes as a defense.

Fact #538 · Animals