This species occurs in the Amazon Basin from southern Colombia and adjacent Ecuador south through Peru to northern Bolivia, the Guianas and the upper Orinoco Basin in Venezuela and Brazil. It generally occurs below 400m asl but can occur at up to 1,000m asl in Ecuador.
Rights Holder: International Union for Conservation of Nature and Natural Resources
Bibliographic Citation: Claudia Azevedo-Ramos, Enrique La Marca, Luis A. Coloma, Santiago Ron 2010.
Hypsiboas calcaratus. In: IUCN 2014 . IUCN Red List of Threatened Species. Version 2014.1 . <
www.iucnredlist.org>
