Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Coordinators:
Jean-Michel Sauvage (France)
Mars Muusse (the Netherlands)

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Herring Gull plumages:

HG 1cy July
HG 1cy August
HG 1cy September
HG 1cy October
HG 1cy November
HG 1cy December

HG 2cy January
HG 2cy February
HG 2cy March
HG 2cy April
HG 2cy May
HG 2cy June
HG 2cy July
HG 2cy August
HG 2cy September
HG 2cy October
HG 2cy November
HG 2cy December

HG 3cy January
HG 3cy February
HG 3cy March
HG 3cy April
HG 3cy May
HG 3cy June
HG 3cy July
HG 3cy August
HG 3cy September
HG 3cy October
HG 3cy November
HG 3cy December

HG sub-ad Jan.
HG sub-ad Feb.
HG sub-ad March
HG sub-ad April
HG sub-ad May
HG sub-ad June
HG sub-ad July
HG sub-ad Aug.
HG sub-ad Sept.
HG sub-ad Oct.
HG sub-ad Nov.
HG sub-ad Dec.

HG adult January
HG adult February
HG adult March
HG adult April
HG adult May
HG adult June
HG adult July
HG adult August
HG adult September
HG adult October
HG adult November
HG adult December

Vega Gull vegae adult, July 02 2013, Kamchatka/Chukotka Coast, Russia. Picture: Benjamin van Doren.

Visit Ben's Flickr pages.

Complete moult: P1/P4. Full sub-terminal band on P5 and P10, with much black on outerweb of P5. Black on outerweb of P4. Black on outerweb of P8, P9 and P10 reach to primary coverts. Red orbital ring, yellow iris. Broad white trailing edge to secondaries. Large 'moons', white tongue tips on P5-P7 with sharp division between grey and white. This Vega has much black on outerweb of P7, while black on inner web of P5 is rather thin (could be indication for -backcross- Slaty-backed x Vega Gull hybrid?). More insight in the species variation regarding wingtip pigmentation is necessary.