Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: April 2013

New Caspian Gull ID pages on Gull Research.ORG

April 23, 2013 identification larus cachinnans 2cy review Leave a comment

Black-headed Gull nest building

April 21, 2013 behavior chroicocephalus ridibundus chroicocephalus ridibundus adult nest building Leave a comment

Trip Report: Glaucous-winged Gulls in Seattle

April 17, 2013 Larus Glaucescens Larus Glaucescens adult Leave a comment

San Diego Trip Reports

April 16, 2013 Leave a comment

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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
1CY Hybrid Gull LBBG x YLG Green YCRK – June 2018
Herring Gull and Lesser Black-backed Gull portraits – May/June 2018

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Studying bill and eye characteristics in European Herring Gulls
Gull behavior explained: Choking
Gull watching in the southern Lake Michigan region (USA) - 201402
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field
Deciphering the black mark on P9 of Black-headed Gulls
European Herring Gull with GPS logger Green M.AMH - 20140503
Comparison of underwing primary patterns in Dutch adult Herring Gulls and Lesser Black-backed Gulls - May/June 2018
New Caspian Gull ID pages on Gull Research.ORG
Lesser Black-backed Gull primary pattern comparison - May/June 2018
Suspended primary moult in adult European Herring Gulls Larus argentatus argenteus of the Dutch colony of IJmuiden Forteiland

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