Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull adult, April 23 2014, Katwijk, the Netherlands.

Adult flight feathers. P10 broken sub-terminal band, only two spots at the edges. Mirror on P9 on both innerweb and outerweb. Black line at edge of P5 outerweb.