A Flickr-based weblog concerning sightings of colourringed gulls, illustrated with photo's from an international group of readers and ringers.
Sunday, February 7, 2010
Black-Headed Gull WHITE [E5JE] / black
Black-headed gull (Chroicocephalus ridibundus), adult
Zoetermeer, The Netherlands, June 2, 2010. White E5JE, M[Arnhem 3693373]. Adult Black-headed gull in full summer (alternate) plumage, being measured and ringed. See also this image of the same individual in full winter (basic) plumage and note the differences in leg and bill color.
(Ring info: ringed June 2, 2010, Zoetermeer, The Netherlands. Age: 3rd calendar year.)
Kokmeeuw (Chroicocephalus ridibundus), adult
Benthuizerplas, Zoetermeer, 2 juni 2010. Wit E5JE, M[Arnhem 3693373]. Adulte Kokmeeuw in volledig zomerkleed, gefotografeerd terwijl het gemeten en geringd wordt. Zie ook deze foto van dit individu in volledig winterkleed en vergelijk het verschil in de poot- en snavelkleur.
(Ringdatum: 2 juni 2010, Zoetermeer. Leeftijd: 3de kalenderjaar.)