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A male Dendropsophus microcephalus frog, displaying its vocal sac—membranes of skin under the throat or on the corner of the mouth that distend to amplify its call. The species lives in moist areas in most of Central America and northern South America.Photo: Brian Gratwicke
_-_The_Noun_Project.svg){kind=small} | This picture of the day has been featured on Portal:Amphibians. |