Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull argenteus 1Z sub-adult, August 19 2010, Westkapelle, the Netherlands.

Data pending. Ringed in SW of the Netherlands.

P5/P8. Small mirror on P10. Dark iris. Brown primaries, dark iris and small mirror on P10 may indicate sub-adult.