Rats laugh when they are tickled, producing high-pitched chirping sounds.

Some insects undergo complete metamorphosis from larva to adult.

Fact #440 · Animals

Some marine animals use bioluminescence to produce light.

Fact #208 · Animals

A squid can propel itself rapidly by jetting water.

Fact #417 · Animals

Some ants farm fungi as a food source.

Fact #190 · Animals

Some insects can lift many times their body weight.

Fact #213 · Animals

Some lizards can regrow their tails.

Fact #71 · Animals

Some spiders can glide through the air using silk.

Fact #369 · Animals

Snow leopards use their long tails for balance.

Fact #371 · Animals