Herring Gull (argentatus & argenteus)
(last update: February 11, 2013)
Herring Gull argentatus RUM ES 023507 4CY, March & October 2017, Katwijk & Maasvlakte, the Netherlands. Picture: Merijn Loeve & Mars Muusse.
Herring Gull 4CY, hatch year 2014 in Russia. Ringed metal RUM Moskwa ES023507. This record of the gull is the first after ringing.
below: Herring Gull argentatus RUM ES 023507 4CY, October 22 2017, Maasvlakte, the Netherlands.
No black on P5.
below: Herring Gull argentatus RUM ES 023507 4CY, March 17 2017, Katwijk, the Netherlands.
Dark grey upperparts and adult-like inner primaries, but still many immature markings on the coverts.