Photo 405435, (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan

Attribution © John Sullivan some rights reserved Uploaded by sullivanribbit Source iNaturalist Associated observations Photos / Sounds What Texas Nightsnake (Hypsiglena jani ssp. texana) Observer sullivanribbit Date April 25, 2010 Place Croton Spring, Big Bend National Park, Brewster County, Texas (Google, OSM) Date Added July 8, 2013 03:49 PM PDT 4 IDs Research Grade View Associated taxa CC Texas Nightsnake (Hypsiglena jani ssp. texana) Info Photo (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan C Chihuahuan Nightsnake (Hypsiglena jani) Info Photo (c) Eric Centenero Alcalá, all rights reserved, uploaded by Eric Centenero Alcalá Sizes small medium large original