Black-headed Gull Chroicocephalus ridibundus(last update: |
||
Moderators: BHG 1cy May BHG 2cy January BHG adult January
|
Below: Adult Black-headed Gull E0CU, February 6, 2011, Zijlpoort, Leiden, The Netherlands (52.161N, 4.504E). Photos: Maarten van Kleinwee
|