Natural history of the critically endangered salamander Ambystoma leorae (Caudata: Ambystomatidae) from the Río Tonatzin, Mexico door Julio A. Lemos-Espinal, Geoffrey R. Smith, Aline B. Estrella Zamora, Guillermo WoolrichPiña, Raymundo Montoya Ayala

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Field observations of Ambystoma altamirani at near-freezing conditions in the Sierra de las Cruces, Mexico door Renato Sánchez-Sánchez, Olga Méndez-Méndez, Geoffrey R. Smith, Raymundo Montoya- Ayala, Guillermo Woolrich-Piña, Julio A. Lemos-Espinal

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