Sauropod dinosaurs, like Brachiosaurus, had hearts the size of a car to pump blood to their enormous bodies.

A dolphin’s brain is relatively large compared to its body size.

Fact #456 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

A blue whale's heart can weigh over 400 pounds.

Fact #104 · Animals

Archerfish shoot jets of water to knock insects off branches.

Fact #346 · Animals

A honeybee colony functions as a highly coordinated unit.

Fact #409 · Animals

Certain species of ants form massive supercolonies.

Fact #475 · Animals

Some animals use camouflage to avoid predators.

Fact #336 · Animals