Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Category Archives: Herring Gull

Larus argentatus, Larus argenteus

Final visit to the IJmuiden Forteiland colony this season – 21090826

August 27, 2019 larus argentatus larus argentatus adult Leave a comment

Suspended primary moult in adult European Herring Gulls – 20190617

June 23, 2019 larus argentatus larus argentatus adult Leave a comment

4cy European Herring Gull Green YCDZ – May/June 2019

June 11, 2019 larus argentatus larus argentatus 4cy Leave a comment

Adult European Herring Gull Green YCUZ with Thayeri-pattern on P9 and P10 – 20190703

June 4, 2019 larus argentatus larus argentatus adult Leave a comment

Visit to the gull colony of IJmuiden – 20190506

May 9, 2019 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii 4cy larus fuscus graellsii 5cy larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20190429

May 2, 2019 hybrid LBBG x YLG hybrid LBBG x YLG adult larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20190423

April 27, 2019 hybrid LBBG x YLG hybrid LBBG x YLG adult larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20190415

April 22, 2019 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii 5cy larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20190408

April 11, 2019 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult 2 Comments

Visit to the gull colony of IJmuiden – 20190329

March 31, 2019 hybrid LBBG x YLG hybrid LBBG x YLG adult larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

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Marked Birds Database – Version 2.4.0 available
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 29 August 2019
Final visit to the IJmuiden Forteiland colony this season – 21090826
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 12 August 2019
1CY Lesser Black-backed Gull Green YCZT trip to Alkmaar – 20190728

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Studying bill and eye characteristics in European Herring Gulls
Database
Gull behavior explained: Choking
1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
Primary pattern differences between juvenile European Herring Gulls and Lesser Black-backed Gulls - 20140707
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field
A successful gull watching day
About me
Marked Birds Database - Adding birds (basics)

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