The platypus is one of the few mammals that lay eggs.

Certain insects can enter a dormant state called diapause.

Fact #399 · Animals

An ostrich's eye is larger than its brain.

Fact #349 · Animals

Octopuses can solve simple puzzles and open jars.

Fact #31 · Animals

Some frogs can survive being frozen during winter.

Fact #24 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals

Some ants can carry many times their own body weight.

Fact #132 · Animals

Some lizards can regrow their tails.

Fact #71 · Animals