IJmuiden Forteiland gull season 2018
Tag Archives: larus argentatus
1CY Leucistic European Herring Gull, brown aberration – September 2018
The ones that that didn’t make it- IJmuiden breeding season 2018
Comparison of underwing primary patterns in Dutch adult Herring Gulls and Lesser Black-backed Gulls – May/June 2018
Request for observations of our IJmuiden gulls ringed in season 2018
Adult Herring Gull Green YCHH with pseudo mirror, Thayeri pattern and suspended primary moult – 20180716
Herring Gull and Lesser Black-backed Gull portraits – May/June 2018
Herring Gull primary pattern comparison – May/June 2018
Primary pattern variation in adult Herring Gull Green YBKC from 2015 to 2018
Suspended primary moult in adult European Herring Gulls Larus argentatus argenteus of the Dutch colony of IJmuiden Forteiland
