Amphibia and Reptilia, Quebrada de los Cuervos, Departamento de Treinta y Tres, Uruguay

We present an annotated list of the herpetofauna at the Protected Area Quebrada de los Cuervos, Departamento de Treinta y Tres, Uruguay. We recorded 24 species of amphibians and 29 of reptiles, accounting for near half of the species already reported from Uruguay. New records of Dendropsophus minutus (Hylidae) and Liophis almadensis (Colubridae) are presented, being the southernmost known for these species. Additionally, Melanophryniscus sanmartini (Bufonidae), Anisolepis undulatus (Polychridae), Crotalus durissus terrificus (Viperidae) and Xenodon histricus (Colubridae) are cited for the first time for the Departamento de Treinta y Tres.