Black-headed Gull Chroicocephalus ridibundus

(last update: 4-02-2013)

Moderators:
Tim Audenaert
Maarten van Kleinwee

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Juvenile Black-headed Gull E5ZZ, June 5, 2012, Benthuizerplas, Zoetermeer, The Netherlands (52.07N 04.53E). Photo: Maarten van Kleinwee.
This individual was ringed and measured as part of the Dutch RAS project (Recapturing Adults for Survival; research on survival of Dutch breeding birds).
For more information about the RAS project, visit http://frankmajoor.nl/kokmeeuwen-broedvogels1-uk.shtml.