Clownfish are all born male; the dominant fish in a group can change to female.

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

A polar bear’s sense of smell is extremely powerful.

Fact #486 · Animals

Certain frogs use bright colors to warn predators.

Fact #438 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

A peacock spreads its tail feathers during courtship displays.

Fact #466 · Animals

Some butterflies migrate across continents.

Fact #424 · Animals