Photo 21303548, (c) Ken Rosenthal, some rights reserved (CC BY-NC), uploaded by Ken Rosenthal

Attribution © Ken Rosenthal some rights reserved Uploaded by krosenthal Source iNaturalist Associated observations Photos / Sounds What Northern Watersnake (Nerodia sipedon ssp. sipedon) Observer krosenthal Date July 13, 2018 01:08 PM EDT Place Potomac, MD, USA (Google, OSM) Date Added July 14, 2018 12:12 AM EDT 5 IDs Research Grade View Sizes small medium large original