The oarfish is the world's longest bony fish — reaching 11 meters — rarely seen alive.

Certain birds build hanging nests from woven plant fibers.

Fact #471 · Animals

Some butterflies migrate thousands of miles.

Fact #262 · Animals

Certain ants build floating rafts during floods.

Fact #387 · Animals

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

Fact #540 · Animals

Certain birds store food in hidden caches.

Fact #426 · Animals

Ravens can solve complex problems in experiments.

Fact #380 · Animals

A moose has long legs adapted for walking in snow.

Fact #518 · Animals

Some fish use tools to crack open shellfish.

Fact #405 · Animals