Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water ...

What is the Puerto Rican crested toad? The Puerto Rican crested toad is the only toad species native to Puerto Rico. Named for the bony crests above its large, golden eyes, this toad is also ...