Oreobates quixensis, also known as the common big-headed frog, is a species of frog in the family Strabomantidae. It is found in the upper Amazon Basin in Bolivia, western Brazil, Colombia, Ecuador, and Peru. It is a very common terrestrial frog of primary and secondary tropical moist forest, also to be found in clearings, open areas and banana groves. Description Oreobates quixensis are large among the species of the genus Oreobates with adults measuring in snout–vent length. The head is large and wider than long; the snout is short. The dorsum is pale brown to dark brown with purple tonalities and cream flecks; the skin is granular, with round keratinized granules and small, sparse, prominent, and enlarged warts. Breeding is by direct development. Gravid females contain 15–51 eggs. References quixensis Amphibians of Bolivia Amphibians of Brazil Amphibians of Colombia Amphibians of Ecuador Amphibians of Peru Taxa named by Marcos Jiménez de la Espada Amphibians described in 1872 Taxonomy articles created by Polbot