Smith, Geoffrey R., and Julio A. Lemos-Espinal. “Observations of Amplexus and Oviposition in Ollotis [Bufo] Occidentalis in the Río Salado, Puebla, Mexico”. Reptiles & Amphibians 17, no. 1 (March 1, 2010): 46–47. Accessed December 22, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/16066.