Willow Warbler (Phylloscopus trochilus trochilus)
Iceland - Sept 13, 2004
© Jakob Sigurðsson

Willow Warbler (Phylloscopus trochilus trochilus) - 2nd plus calendar year
Ottenby, Öland, Sweden - 2004
© Johan Stedt

Willow Warbler (Phylloscopus trochilus trochilus)
Södra Lunden, Öland, Sweden - May, 2004
© Peter Schmidt