Black-headed Gull Chroicocephalus ridibundus

(last update: 3-04-2011)

Tim Audenaert
Maarten van Kleinwee


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

Adult Black-headed Gull E5EL, with juveniles E5NX and E5NY. June 17, 2010, Zoetermeer, Benthuizerplas, The Netherlands (52.076N, 4.532E). Photo: Maarten van Kleinwee.

Two juvenile Black-headed Gulls are trying to tempt one of their parents into regurgitating food for them by assuming the hunched position in which the body is held horizontal and the neck is withdrawn.
(Ringing dates: W[E5EL] June 8, 2009, W[E5NX] and W[E5NY] June 2, 2010, all at Benthuizerplas, Zoetermeer, The Netherlands.)