Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls – 20200529
Tag Archives: larus argentatus
Visit to the gull colony of IJmuiden – 20200511
Visit to the gull colony of IJmuiden – 20200316
Visits to the gull colony of IJmuiden May – July 2019
How to score primary moult in gulls
Mixed breeding pair article pubished in Limosa 92.2
Final visit to the IJmuiden Forteiland colony this season – 21090826
Suspended primary moult in adult European Herring Gulls – 20190617
4cy European Herring Gull Green YCDZ – May/June 2019
Adult European Herring Gull Green YCUZ with Thayeri-pattern on P9 and P10 – 20190703
