At 3,000 meters elevation in the Andes herpetologists were surprised to discover a frog so small it could sit on a coin with room to spare. Further study showed that this new species, named Noble's pygmy frog, is the smallest frog in the Andean mountain range:
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A new species of minute Noblella (Anura: Strabomantidae) from southern Peru: the smallest frog of the Andes. Copeia 2009(1): 148-156
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