Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Visit to the gull colony of IJmuiden – 20190315

March 17, 2019 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 2.2.0 available

March 14, 2019 marked birds database Leave a comment

Great Black-backed Gulls and Herring Gulls – 20190215-16

February 17, 2019 argenteus larus argentatus larus argentatus 2cy Leave a comment

Reading ringed Lesser Black-backed Gulls in Morocco – January 2019

February 11, 2019 chroicocephalus ridibundus Ichthyaetus audouinii Ichthyaetus melanocephalus larus fuscus fuscus larus fuscus graellsii larus fuscus intermedius larus michahellis morocco 2019 Leave a comment

IJmuiden Lesser Black-backed Gulls in Morocco – January 2019

February 5, 2019 larus fuscus graellsii larus fuscus graellsii 2cy larus fuscus graellsii adult morocco 2019 Leave a comment

Marked Birds Database – Version 2.1.0 available

January 28, 2019 marked birds database Leave a comment

Marked Birds Database – importing birds and observations from the BirdRing app

January 28, 2019 marked birds database Leave a comment

Marked Birds Database users: time to update the Current Age for all birds

January 1, 2019 marked birds database Leave a comment

Individual gulls observed in multiple countries

December 25, 2018 larus argentatus larus argentatus 1cy larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

IJmuiden Forteiland gull research: breeding season 2018 report

December 10, 2018 ijmuiden 2018 Leave a comment

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Recent Posts

  • Visit to the gull colony of IJmuiden – 20190506
  • 5CY Lesser Black-backed Gull Green YBXJ with sub-adult plumage – 20190506
  • Visit to the gull colony of IJmuiden – 20190429
  • Lesser Black-backed Gull Green YBJB primary pattern update – 2019
  • Visit to the gull colony of IJmuiden – 20190423

Archives

  • May 2019 (3)
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  • February 2014 (9)
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  • December 2013 (6)
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  • December 2011 (4)
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Categories

  • American Herring Gull (10)
  • audouin's gull (1)
  • Baltic Gull (13)
  • Behavior (25)
  • Black-headed Gull (59)
  • Black-legged Kittiwake (2)
  • Books (1)
  • California Gull (3)
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  • Common Gull (22)
  • Database (51)
  • Glaucous Gull (6)
  • Glaucous-winged Gull (1)
  • Great Black-backed Gull (6)
  • Heermann's Gull (2)
  • Herring Gull (167)
  • 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 (141)
  • 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 (27)

Top Posts & Pages

  • Studying bill and eye characteristics in European Herring Gulls
  • Gull watching in the southern Lake Michigan region (USA) - 201402
  • Gull behavior explained: Choking
  • The Mew Call
  • 4CY Lesser Black-backed Gull Yellow V6TE - 20140814
  • Reading ringed Lesser Black-backed Gulls in Morocco – January 2019

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