Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) 9X 2CY-3CY, October 2015 & November 2016, Scheveningen & Katwijk, the Netherlands.

Tibia ring, blue 9X and black marker; and metal NLA 6.177.503. Ringed in autumn as 2CY (sex unknown) on October 12 2015 at Scheveningen (Haven), Zuid-Holland, NL (5206.00 416.00 E). Ringer: Roland-Jan Buijs.

Recoveries:
20-10-2015 Scheveningen (Haven), Zuid-Holland, NL 5.206,00 N 416,00 E colourring read Mars Muusse.
30-10-2015 Scheveningen (Haven), Zuid-Holland, NL 5.206,00 N 416,00 E colourring read Mars Muusse.
23-4-2016 Katwijk aan Zee (Binnenwatering), Zuid-Holland, NL 5.213,00 N 425,00 E colourring read Annelies Marijnis.
6-9-2016 Kijkduin (Strand), Zuid-Holland, NL 5.203,00 N 413,00 E colourring read Gary Elton.
12-9-2016 Scheveningen (Strand), Zuid-Holland, NL 5.206,00 N 415,00 E colourring read Willem van der Waal.
16-11-2016 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Mars Muusse.

below: Herring Gull (argenteus) 9X 3CY, November 16 2016, Katwijk, the Netherlands.

Seems to develop in local argenteus Herring Gull.

below: Herring Gull (argenteus) 9X 2CY, October 30 2015, Scheveningen, the Netherlands.

Starting to develop a grey saddle. Partial autumn moult: TT1, GC1, MC1-2.

below: Herring Gull (argenteus) 9X 2CY, October 20 2015, Scheveningen, the Netherlands.

Starting to develop a grey saddle. Partial autumn moult: TT1-2, GC1-2, MC1-2, LLC1.