Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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IJmuiden Lesser Black-backed Gull GPS-project update: daily routines of returning adults

April 4, 2020 GPS larus fuscus graellsii larus fuscus graellsii adult Leave a comment

IJmuiden Lesser Black-backed Gull GPS-project update: website live & returning adults

March 28, 2020 GPS Leave a comment

Marked Birds Database – Version 2.7.0 available

March 27, 2020 marked birds database 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

IJmuiden Lesser Black-backed Gull GPS-project update: wintering young and returning adults

March 14, 2020 GPS larus fuscus graellsii larus fuscus graellsii 2cy larus fuscus graellsii adult programming Leave a comment

Marked Birds Database – Version 2.6.0 available

February 23, 2020 marked birds database Leave a comment

IJmuiden Gull Research Team season 2019 report

February 10, 2020 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

IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers update: YCXJ has arrived in Málaga, Spain

January 17, 2020 GPS larus fuscus graellsii larus fuscus graellsii 2cy Leave a comment

Marked Birds Database – Version 2.5.2 (fix) available

January 6, 2020 Leave a comment

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Recent Posts

  • Marked Birds Database – Version 2.9.1 available
  • Marked Birds Database – Version 2.9.0 available
  • Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls – 20200529
  • IJmuiden Lesser Black-backed Gull GPS-project update: more adults fitted with loggers
  • Visit to the gull colony of IJmuiden – 20200511

Archives

  • June 2020 (2)
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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 (61)
  • Glaucous Gull (6)
  • Glaucous-winged Gull (1)
  • Great Black-backed Gull (6)
  • Heermann's Gull (2)
  • Herring Gull (180)
  • hybrid HG x LBBG (3)
  • hybrid LBBG x HG (2)
  • hybrid LBBG x YLG (11)
  • hybrid YLG x HG (1)
  • hybrid YLG x LBBG (5)
  • Iceland Gull (15)
  • Kittiwake (1)
  • Kumlien's Iceland Gull (1)
  • Lesser Black-backed Gull (169)
  • 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

  • Studying bill and eye characteristics in European Herring Gulls
  • Gull behavior explained: Choking
  • New Caspian Gull ID pages on Gull Research.ORG
  • 1cy Lesser Black-backed Gulls in full juvenile plumage - 20131009
  • Yellow-legged Gulls - 20140928
  • Fav photos
  • Marked Birds Database – Version 2.9.0 available
  • Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls - 20200529
  • Observations of gulls with deformed bills
  • 3cy Yellow-legged Gull - 20131008

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