Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull FT6T 4CY (moulting into 4th cycle), June 28 2013, Koksijde, Belgium. Picture: Peter Adriaens.

Ringed as 1st winter bird in March 2011 (HY 2010) at Rainham waste dump near London, England.

Obvious immature bird, difficult to age correctly when in rest.