Category Archives: Herring Gull

Larus argentatus, Larus argenteus

Marked Birds Database – Version 2.7.0 available

Visit to the gull colony of IJmuiden – 20200316

IJmuiden Lesser Black-backed Gull GPS-project update: wintering young and returning adults

IJmuiden Gull Research Team season 2019 report

Visits to the gull colony of IJmuiden May – July 2019

Marked Birds Database – Version 2.5.2 (fix) available

Preparing the Marked Birds Database for the new calendar year

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