Photo 2369144, (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools

Attribution © Paul Cools some rights reserved Uploaded by paulcools Source iNaturalist Associated observations Photos / Sounds What Willow Warbler (Phylloscopus trochilus) Observer paulcools Date September 10, 2005 10:38 AM BST Place 53.5182..., 6.40932... (Google, OSM) Date Added September 11, 2015 06:19 PM BST 2 IDs Research Grade View Sizes small medium large original