Black-headed Gull Chroicocephalus ridibundus

(last update: 19-07-2013)

Moderators:
Tim Audenaert
Maarten van Kleinwee

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BHG 1cy May
BHG 1cy June
BHG 1cy July
BHG 1cy August
BHG 1cy September
BHG 1cy October
BHG 1cy November
BHG 1cy December

BHG 2cy January
BHG 2cy Febuary
BHG 2cy March
BHG 2cy April
BHG 2cy May
BHG 2cy June
BHG 2cy July
BHG 2cy August
BHG 2cy September
BHG 2cy October
BHG 2cy November
BHG 2cy December

BHG adult January
BHG adult Febuary
BHG adult March
BHG adult April
BHG adult May
BHG adult June
BHG adult July
BHG adult August
BHG adult September
BHG adult October
BHG adult November
BHG adult December

Below: first-calendar year Black-headed Gull EAP7, 16 December 2012, Grote Dobbe, Zoetermeer, The Netherlands (52.059N, 4.494E). Photo: Benny Middendorp.

Ringed by Benny Middendorp as first-calendar year, 16 December 2012, Grote Dobbe, Zoetermeer, The Netherlands (52.059N, 4.494E). Note the orange-brown color of the legs and bill, typical for individuals of this age.

Below: second-calendar year Black-headed Gull EAP7, 14 July 2013, Voorburg, The Netherlands (52.076N, 4.368E). Photo: Caroline Walta.

Second-calendar year Black-headed Gull with 90% full hood and dark-orange bill and legs. Moult gaps can be seen in the greater coverts and inner primaries.