Frogs are incredible creatures. They are amphibians--along with toads, salamanders, caecilians and newts.

But right now, nearly a third of the worlds’ roughly 6,300 amphibian species are threatened. Habitat loss has been a leading cause, and more recently disease has become a significant problem. On top of all this, climate change is altering their habitats.

Take our quiz on frogs and prepare to leap into action this leap year.