Photo 3661818, (c) Markus Döring, some rights reserved (CC BY-NC), uploaded by Markus Döring

Attribution © Markus Döring some rights reserved Uploaded by markus Source iNaturalist Associated observations Photos / Sounds 2 photos What Adder (Vipera berus) Observer markus Date May 10, 2009 02:51 PM CEST Place Hiddensee (Google, OSM) Date Added May 13, 2016 11:14 PM CEST 7 IDs Research Grade View Sizes small medium large original