Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) NLA 6.175.961 3CY, March 22 2016, Katwijk, the Netherlands.

Local argenteus ringed as pullus on July 04 2014 at Dintelhaven - Maasvlakte, the Netherlands.

No partial autumn moult in coverts nor in the tertials. Grey scap saddle contrasts with 2nd gen brown coverts.