Visits to IJmuiden Forteiland gull colony – April 2021
Tag Archives: larus argentatus
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
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
