The slow loris licks a gland on its arm and then bites — the mixed saliva and venom is toxic.

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Animals

Some marine animals use bioluminescence to produce light.

Fact #208 · Animals

A group of flamingos is called a flamboyance.

Fact #10 · Animals

Some birds can sleep while flying.

Fact #332 · Animals

Some butterflies migrate across continents.

Fact #424 · Animals

Clownfish can change sex during their lifetime.

Fact #361 · Animals

Certain reptiles regulate body temperature through basking.

Fact #527 · Animals

Some spiders can glide through the air using silk.

Fact #369 · Animals