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Amphibians
Vertebrates of the class Amphibia including frogs and toads (Anura), salamanders (Urodela), caecilians (Apoda) and extinct forms which are cold-blooded and have life stages in water as eggs and larval forms (tadpoles)until they metamorphose as adults.
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The state of amphibians in the United States [More info]
Evidence leading us to conclude that amphibians are declining, along with explanatory factors in the environment and notes on conservation.
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