Some species of wasp sting spiders to paralyze them — laying eggs inside the living spider as food for the larvae.

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

Fact #382 · Animals

A kangaroo cannot walk backward easily.

Fact #375 · Animals

Certain species of octopus are known to use coconut shells as shelter.

Fact #410 · Animals

Orcas are highly social animals that live in pods.

Fact #395 · Animals

Certain insects can enter a dormant state called diapause.

Fact #399 · Animals

Some species of crabs can regenerate lost claws.

Fact #396 · Animals

Some insects undergo complete metamorphosis.

Fact #289 · Animals

A mantis shrimp can strike with the speed of a bullet.

Fact #342 · Animals