Lesser Black-backed Gull (graellsii & intermedius)

(last update: 8-2-2011)

L. f. graellsii AYZ December 06 2008, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.

Ringed 4cy graellsii, ringed in the U.K. Ringed by The Severn Estuary Gull Group, blue AYZ and metal FP86803. Ringed on 20 October 2007 as 3cy bird, at SGD Gloucester landfill site, near Hempsted, Gloucestershire 51.51N 02.16W.

4cy in winter, with the last immature markings on bill and centres of the lower tertials. Normally, the centres of the greater primary coverts turn out to be extensive brown in this age.