The wandering spider of South America is the world's most venomous spider and also one of the most aggressive.

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals

Some species of snakes give live birth instead of laying eggs.

Fact #540 · Animals

Some species of ants can form bridges using their bodies.

Fact #420 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

Some birds migrate between hemispheres each year.

Fact #203 · Animals

A lion’s mane can signal strength and health.

Fact #460 · Animals

A hippopotamus can hold its breath underwater for several minutes.

Fact #433 · Animals