Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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IJmuiden Gull Research Team season 2020 review

November 30, 2020 review Leave a comment

Marked Birds Database – Version 2.12.0 available

September 16, 2020 mbdb Leave a comment

Filming Lesser-Blacked Gull YDDD in flight and matching it with its GPS data

September 3, 2020 larus fuscus graellsii larus fuscus graellsii 1cy 3 Comments

Marked Birds Database – Version 2.11.1 available (fix for version 2.11.0)

August 29, 2020 mbdb Leave a comment

The return of Lesser Black-backed Gull Green YAPC – 20200827

August 27, 2020 larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 2.11.0 available

August 22, 2020 mbdb Leave a comment

IJmuiden Lesser Black-backed Gull GPS-project update – 20200814

August 14, 2020 GPS larus fuscus graellsii larus fuscus graellsii 1cy larus fuscus graellsii 2cy larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 2.10.0 available

July 19, 2020 mbdb Leave a comment

Marked Birds Database – Version 2.9.1 available

June 13, 2020 mbdb Leave a comment

Marked Birds Database – Version 2.9.0 available

June 6, 2020 mbdb Leave a comment

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Recent Posts

  • IJmuiden Gull Research Team season 2022 review
  • IJmuiden Gull Research Team season 2021 review
  • IJmuiden Forteiland gulls on Dutch TV – 20211022
  • IJmuiden Lesser Black-backed Gull GPS-project update: wintering locations and migration routes 2020 – 2021
  • Hybrid Lesser Black-backed Gull Green YCLD: from chick to breeding adult

Archives

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Categories

  • American Herring Gull (10)
  • audouin's gull (1)
  • Baltic Gull (13)
  • Behavior (24)
  • Black-headed Gull (59)
  • Black-legged Kittiwake (2)
  • Books (1)
  • California Gull (3)
  • Caspian Gull (31)
  • Common Gull (22)
  • Database (66)
  • Glaucous Gull (6)
  • Glaucous-winged Gull (1)
  • Great Black-backed Gull (6)
  • Heermann's Gull (2)
  • Herring Gull (184)
  • hybrid HG x LBBG (3)
  • hybrid LBBG x HG (2)
  • hybrid LBBG x YLG (14)
  • hybrid YLG x HG (1)
  • hybrid YLG x LBBG (5)
  • Iceland Gull (15)
  • IJmuiden Forteiland Gull Team (4)
  • Kittiwake (1)
  • Kumlien's Iceland Gull (1)
  • Lesser Black-backed Gull (177)
  • Little Gull (3)
  • Mediterranean Gull (4)
  • News (1)
  • Publications (1)
  • Relict Gull (1)
  • Research (1)
  • Ring reading (2)
  • Ring-billed Gull (6)
  • Scandinavian Herring Gull (11)
  • Slaty-backed Gull (2)
  • Slender-billed Gull (1)
  • Sound recording (3)
  • Thayers Gull (6)
  • Travels (8)
  • Videos (1)
  • Viking Gull (1)
  • Western Gull (2)
  • Yellow-legged Gull (28)

Top Posts & Pages

  • Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
  • IJmuiden Gull Research Team season 2022 review
  • Scoring primary feathers of European Herring Gulls
  • New Caspian Gull ID pages on Gull Research.ORG
  • Status update on the presence of pseudo-mirrors and non-isolated mirrors in IJmuiden-ringed adult European Herring Gulls
  • Gull behavior: the forward posture
  • Presumed hybrid Lesser Black-backed Gull x European Herring Gull - 20120205
  • Adult American Herring Gulls, seen from a Dutch perspective - 201402
  • Trip report: Heermann's Gulls in San Diego
  • Scandinavian Herring Gulls, Stockholm - August 2015

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