Epistemic humility — acknowledging the limits of one's knowledge — is considered a core intellectual virtue.

Clownfish can change sex during their lifetime.

Fact #361 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

A puffin can carry multiple fish in its beak at once.

Fact #567 · Animals

Certain species of ants farm aphids for food.

Fact #360 · Animals

Some birds migrate between hemispheres each year.

Fact #203 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Certain insects use camouflage to resemble sticks or leaves.

Fact #570 · Animals