Certain birds migrate seasonally to access food sources.

Blue whales can grow longer than 90 feet.

Fact #341 · Ocean

Dolphins use echolocation to navigate and hunt underwater.

Fact #12 · Ocean

Some deep-sea jellyfish emit flashes of light when disturbed.

Fact #1396 · Ocean

A sea lion can hold its breath for several minutes underwater.

Fact #400 · Ocean

Jellyfish have existed for hundreds of millions of years.

Fact #117 · Ocean

Dolphins can recognize themselves in mirrors.

Fact #1295 · Ocean

There is more water in Earth's mantle than in all the oceans on the surface.

Fact #3594 · Ocean

Octopuses can squeeze through tight spaces due to their soft bodies.

Fact #869 · Ocean