Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: March 2017

Marked Birds Database – Version 1.10.0 available

March 30, 2017 marked birds database Leave a comment

2CY Iceland Gull – 20170310

March 10, 2017 larus glaucoides larus glaucoides 2cy Leave a comment

Black-headed Gull White ECM9 displaying courtship and territorial behaviour – 20170304

March 4, 2017 Leave a comment

Variation in primary moult in Lesser Black-backed Gulls in January

March 1, 2017 larus fuscus graellsii larus fuscus graellsii 3cy larus fuscus graellsii 4cy larus fuscus graellsii adult larus fuscus intermedius larus fuscus intermedius adult Leave a comment

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Recent Posts

  • 5CY Herring Gull YCKL with sub-adult plumage – 20210412
  • Marked Birds Database – Version 2.13.0 available
  • First visit to IJmuiden Forteiland colony of 2021 season and returning birds with GPS loggers
  • IJmuiden Gull Research Team season 2020 review
  • Marked Birds Database – Version 2.12.0 available

Archives

  • April 2021 (3)
  • November 2020 (1)
  • September 2020 (2)
  • August 2020 (4)
  • July 2020 (1)
  • June 2020 (2)
  • May 2020 (5)
  • April 2020 (4)
  • March 2020 (4)
  • February 2020 (2)
  • January 2020 (4)
  • December 2019 (2)
  • November 2019 (4)
  • October 2019 (4)
  • September 2019 (1)
  • August 2019 (3)
  • July 2019 (6)
  • June 2019 (6)
  • May 2019 (4)
  • April 2019 (5)
  • March 2019 (4)
  • February 2019 (3)
  • January 2019 (3)
  • December 2018 (2)
  • November 2018 (1)
  • October 2018 (2)
  • September 2018 (10)
  • August 2018 (2)
  • July 2018 (6)
  • June 2018 (5)
  • May 2018 (4)
  • April 2018 (3)
  • March 2018 (2)
  • February 2018 (5)
  • January 2018 (4)
  • December 2017 (3)
  • November 2017 (4)
  • October 2017 (4)
  • September 2017 (2)
  • August 2017 (3)
  • July 2017 (6)
  • June 2017 (3)
  • May 2017 (6)
  • April 2017 (5)
  • March 2017 (4)
  • February 2017 (6)
  • January 2017 (8)
  • December 2016 (7)
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  • August 2016 (2)
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  • June 2016 (4)
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  • April 2016 (3)
  • February 2016 (2)
  • January 2016 (4)
  • December 2015 (2)
  • November 2015 (4)
  • October 2015 (2)
  • September 2015 (5)
  • August 2015 (10)
  • July 2015 (8)
  • June 2015 (6)
  • May 2015 (4)
  • April 2015 (10)
  • March 2015 (10)
  • February 2015 (6)
  • January 2015 (4)
  • December 2014 (7)
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  • February 2014 (9)
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  • December 2013 (6)
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  • July 2013 (10)
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  • May 2013 (6)
  • April 2013 (4)
  • March 2013 (4)
  • February 2013 (4)
  • January 2013 (4)
  • December 2012 (2)
  • November 2012 (4)
  • October 2012 (6)
  • September 2012 (4)
  • August 2012 (5)
  • July 2012 (3)
  • June 2012 (4)
  • May 2012 (3)
  • April 2012 (4)
  • March 2012 (1)
  • February 2012 (2)
  • December 2011 (4)
  • November 2011 (4)
  • October 2011 (3)

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 (181)
  • hybrid HG x LBBG (3)
  • hybrid LBBG x HG (2)
  • hybrid LBBG x YLG (12)
  • hybrid YLG x HG (1)
  • hybrid YLG x LBBG (5)
  • Iceland Gull (15)
  • IJmuiden Forteiland Gull Team (3)
  • Kittiwake (1)
  • Kumlien's Iceland Gull (1)
  • Lesser Black-backed Gull (173)
  • 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
  • 4cy European Herring Gull Green Y.BPS - 20140602
  • Gull behavior explained: Choking
  • 5CY Herring Gull YCKL with sub-adult plumage - 20210412
  • The Mew Call
  • Gull behavior: the forward posture
  • Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
  • Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
  • Adult European Herring Gull Green YCUZ with Thayeri-pattern on P9 and P10 - 20190703
  • Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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