Photo 351119, (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés

Attribution © Juan Cruzado Cortés some rights reserved Uploaded by juancruzado Source iNaturalist Mexico Associated observations Photos / Sounds 3 photos What Northern Black-tailed Rattlesnake (Crotalus molossus ssp. molossus) Observer juancruzado Date April 4, 2004 Place Sonora, MX (Google, OSM) Date Added May 31, 2013 12:53 PM CDT 7 comments 10 IDs Research Grade View Sizes small medium large original