Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Tag Archives: larus argentatus

Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls – 20200529

May 29, 2020 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20200511

May 15, 2020 hybrid LBBG x YLG larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii 4cy larus fuscus graellsii adult Leave a comment

Visit to the gull colony of IJmuiden – 20200316

March 17, 2020 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Visits to the gull colony of IJmuiden May – July 2019

January 28, 2020 larus argentatus larus argentatus 1cy larus argentatus 4cy larus argentatus adult larus fuscus graellsii larus fuscus graellsii 1cy larus fuscus graellsii adult Leave a comment

How to score primary moult in gulls

December 9, 2019 chroicocephalus ridibundus larus argentatus larus canus larus fuscus graellsii 4 Comments

Mixed breeding pair article pubished in Limosa 92.2

November 21, 2019 larus argentatus larus fuscus graellsii Leave a comment

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

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Recent Posts

  • IJmuiden Gull Research Team season 2020 review
  • Marked Birds Database – Version 2.12.0 available
  • Filming Lesser-Blacked Gull YDDD in flight and matching it with its GPS data
  • Marked Birds Database – Version 2.11.1 available (fix for version 2.11.0)
  • The return of Lesser Black-backed Gull Green YAPC – 20200827

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Top Posts & Pages

  • Studying bill and eye characteristics in European Herring Gulls
  • Gull behavior: the forward posture
  • Yellow-legged Gulls and gulls with yellow legs at Katwijk
  • Deciphering the black mark on P9 of Black-headed Gulls
  • Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
  • Return of pink Black-headed Gull to breeding colony - 20150306
  • Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
  • Gull behavior explained: Choking
  • Scandinavian Herring Gulls, Stockholm - August 2015
  • IJmuiden Gull Research Team season 2020 review

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