Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull 3CY, April 09-11 2014, Katwijk, the Netherlands.

2nd generation flight feathers, simliar to juvenile pattern but with finer spots and more vermiculated. Grey saddle, combined with brown inner primaries. Bold pattern on greater coverts and saturated bill common in michahellis.