The hoatzin (stinkbird) of South America digests leaves through fermentation — like a cow, not a typical bird.

Some spiders can glide through the air using silk.

Fact #369 · Animals

Some mammals, like bats, use echolocation.

Fact #465 · Animals

Bees have five eyes.

Fact #356 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals

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

Fact #456 · Animals

A squid can propel itself rapidly by jetting water.

Fact #417 · Animals

Some sharks can reproduce without a mate in rare cases.

Fact #544 · Animals

Certain frogs can inflate themselves to appear larger to predators.

Fact #377 · Animals