Tag Archives: larus argentatus adult

Visits to IJmuiden Forteiland gull colony – April 2021

5CY Herring Gull YCKL with sub-adult plumage – 20210412

First visit to IJmuiden Forteiland colony of 2021 season and returning birds with GPS loggers

Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls – 20200529

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

Final visit to the IJmuiden Forteiland colony this season – 21090826

Suspended primary moult in adult European Herring Gulls – 20190617

Adult European Herring Gull Green YCUZ with Thayeri-pattern on P9 and P10 – 20190703