The word amphibian comes from the Greek amphibios meaning "both lives". This description is appropriate because most adult amphibians are better adapted to life on land, while their larval phases are entirely aquatic. For much of their lives, which may last several years or a couple of months, depending on species, larval amphibians (e.g. tadpoles) bear little resemblance to their adult forms. However, in a matter of weeks or days, the fish-like larvae transform into terrestrial, air-breathing, four-legged animals. Adult terrestrial amphibians can either breathe through their skin or with lungs. The families include frogs, toads, salamanders and newts.
NPSpecies is a consolidated database where you can find the latest information on any species from any National Park Service unit. This resource lets you search for species information on specific parks and allows you to create your own itemized species lists.
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Martof, B.S., W.M. Palmer, J.R. Bailey, and J.R. Harrison III. 1980. Amphibians and Reptiles of the Carolinas and Virginia. The University of North Carolina Press, Chapel Hill, North Carolina.
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Last updated: March 5, 2019