Westelijke Baardgrasmus, Sylvia iberiae
Many birders came to Woerden because maybe the bird was a Sylvia subalpina, Moltoni's Warbler, a first for the Netherlands.
From the left, Co van der Wardt, Wietze Janse, Edward van IJzendoorn, Arnoud van den Berg, Bart Brieffies and Jaap Denee.