Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Tag Archives: chroicocephalus ridibundus adult

22CY Black-headed Gull White LYD – 20180128

January 28, 2018 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Reading ringed gulls in Leiden – 20171204

December 4, 2017 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Return of the Black-headed Gull with an extra ‘foot’ – 20161211

December 11, 2016 chroicocephalus ridibundus chroicocephalus ridibundus 2cy chroicocephalus ridibundus adult Leave a comment

Fierce Black-headed Gull fight – 20150412

April 15, 2015 chroicocephalus ridibundus chroicocephalus ridibundus adult 1 Comment

Return of pink Black-headed Gull to breeding colony – 20150306

March 6, 2015 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Head moult progression in Black-headed Gull White 4FH, winter 2014/2015

February 24, 2015 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Black-headed Gulls – 20150205

February 5, 2015 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Black-headed Gulls of the 2014 breeding season Zoetermeer

August 30, 2014 chroicocephalus ridibundus chroicocephalus ridibundus 1cy chroicocephalus ridibundus 2cy chroicocephalus ridibundus 3cy chroicocephalus ridibundus adult 1 Comment

Primary moult variation in adult Black-headed Gulls – 20140628

June 28, 2014 chroicocephalus ridibundus chroicocephalus ridibundus 3cy chroicocephalus ridibundus adult Leave a comment

Tertial spots in sub-adult and adult gulls

April 28, 2014 chroicocephalus ridibundus chroicocephalus ridibundus 2cy chroicocephalus ridibundus 3cy chroicocephalus ridibundus adult larus argentatus larus argentatus 4cy larus argentatus 5cy larus californicus larus californicus 4cy larus canus larus canus 3cy larus delawarensis larus delawarensis 3cy larus smithsonianus larus smithsonianus 4cy larus smithsonianus adult tertial spots 13 Comments

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Recent Posts

  • Mixed breeding pair article pubished in Limosa 92.2
  • Yellow-legged Gulls (lusitanius) in Spain – November 2019
  • 1CY Caspian Gull Red HHT0 – 20191110
  • IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
  • Marked Birds Database – what’s coming up?

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Top Posts & Pages

  • Tertial spots in sub-adult and adult gulls
  • Articles
  • Adult American Herring Gulls, seen from a Dutch perspective - 201402
  • Adult Herring Gull with very advanced primary moult - 20160604
  • Adult European Herring Gull Green YBKC with pseudo-mirrors on P9 and P10 - 20150420
  • A study of 2nd-calendar year Lesser Black-backed Gulls in June
  • 1CY Caspian Gull Red HHT0 - 20191110
  • Yellow-legged Gulls (lusitanius) in Spain - November 2019
  • Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
  • IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019

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