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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IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers update: YCXJ has arrived in Málaga, Spain
Marked Birds Database – Version 2.5.2 (fix) available
Preparing the Marked Birds Database for the new calendar year
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update December 2019
How to score primary moult in gulls

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IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers update: YCXJ has arrived in Málaga, Spain
Database
Studying bill and eye characteristics in European Herring Gulls
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Scoring primary feathers of European Herring Gulls
Marked Birds Database - installation
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update September 2019
Reading ringed Lesser Black-backed Gulls in Morocco – January 2019
Published Work
Marked Birds Database - what's coming up?

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