Colourringed Gulls: Black-headed Gull

Saturday, April 9, 2011

Black-headed Gull - WHITE [TT02]

Black-headed gull (Chroicocephalus ridibundus), 2nd calendar year
Zoetermeer, Benthuizerplas, The Netherlands, April 9, 2011. W[TT02] (Gdansk FN 82649). Second-calendar year (1st cycle) Black-headed gull in first-winter (formative) plumage with abraded tail feathers.
(Ringing date: June 6, 2010, Zb.Kuźnica Warężyńska, Poland. Age: pullus.)

Kokmeeuw (Chroicocephalus ridibundus), 2de kalenderjaar
Benthuizerplas, Zoetermeer, 9 april 2011. W[TT02] (Gdansk FN 82649). Tweede-kalenderjaar Kokmeeuw in eerste-winterkleed met slijtage in de staartveren.
(Ringdatum: 6 juni 2010, Zb.Kuźnica Warężyńska, Polen. Leeftijd: pullus.)

About this Weblog

The main target of this blog is to contribute the research to gullidentification and migrationpatterns. This by collecting photo's of colourringed gulls in different plumages and inform the ringers of new sightings and photo's. All the photo's of this blog are made by members of the Flickr-Photopool 'Colourringed Gulls'.

All the titles are the same, that's easy to read. For example: Lesser Black-Backed Gull - YELLOW [MWK.72] / black, stands for a yellow ring with a black code MWK.72

On the gullpages above or photolabels you will find an overview of all the sightings of colourringed gulls(this part is under construction). If a bird has been read / photographed more than ones in the last view years by CG-members, this blog will provide its overview. Much information of the colourringprojects is used from cr-birding.be .

Maarten W. Kaales
colourringedgulls@gmail.com
http://twitter.com/cringedgulls

Gullpages

Saturday, April 9, 2011

Black-headed Gull - WHITE [TT02]