Ključne riječi: Nature at Your Door Frank Taylor, Amphibians, Applalachian mountains, Applachian History, oral history, Appalachian Oral History, appalachian farm, Bullfrogs, hellbenders, grampus, Amphibian decline, amphibian extinction, threatened species, amphibian population decline, extinction, Species loss, Indicator species, USGS, nature, nature education, Appalachian region, Appalachian diversity, biodiversity, natural history, salamanders, hellbender decline, Cryptobranchus alleganiensis, Lithobates catesbeianus, environment
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