Photo 524818, (c) Adam W. Ferguson, some rights reserved (CC BY-NC), uploaded by Adam W. Ferguson

Attribution © Adam W. Ferguson some rights reserved Uploaded by adfergus Source iNaturalist Associated observations Photos / Sounds What Western Massasauga (Sistrurus tergeminus) Observer adfergus Date September 2013 Place Texas, US (Google, OSM) Date Added October 3, 2013 06:38 PM CDT 3 IDs Research Grade View Associated taxa CC Massasauga (Sistrurus catenatus [inactive]) Info Photo (c) Adam W. Ferguson, some rights reserved (CC BY-NC), uploaded by Adam W. Ferguson Sizes small medium large original