Photo 44341232, (c) Alejandro Calzada, some rights reserved (CC BY-NC), uploaded by Alejandro Calzada

Attribution © Alejandro Calzada some rights reserved Uploaded by alejandrocalzada Source iNaturalist Mexico Associated observations Photos / Sounds What Sapper's Rustyhead Snake (Amastridium sapperi) Observer alejandrocalzada Date October 13, 2013 01:36 PM CDT Place Xilitla, 79900 Xilitla, S.L.P., México (Google, OSM) Date Added July 8, 2019 12:15 PM CDT 4 IDs Research Grade View Sizes small medium large original Copyright A.Calzada