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

Herring Gull (argentatus) HAL89 2CY, April 13 - 25 2017, Katwijk, the Netherlands. 

Bird ringed by Sönke Martens in N Germany in 2016.
Larus argentatus metal ring Helgoland N112615 and yellow ring HAL89. Ringed as pullus on July 02 2016 at Amrum / Odde 54 42 'N 8 o 21 ' E.

Recoveries:
22.07.2016 Amrum / Odde 54 42 N 8 21 E Farbring abgelesen Hälterlein, B.
23.07.2016 Amrum / Odde 54 42 N 8 21 E Farbring abgelesen Hälterlein, B.
24.07.2016 Amrum / Odde 54 42 N 8 21 E Farbring abgelesen Hälterlein, B.
05.08.2016 Amrum / Odde 54 42 N 8 21 E Farbring abgelesen Hälterlein, B.
29.10.2016 Helgoland / Düne 54 11 N 7 55 E Farbring abgelesen Dierschke, J.
03.11.2016 Helgoland / Hauptinsel 54 11 N 7 53 E Farbring abgelesen Dierschke, J.
05.01.2017 NL - Wijk an Zee 52 29 N 4 35 E Farbring abgelesen Schekkermann, H.
13.04.2017 NL - Katwijk an Zee 52 12 N 4 24 E Farbring abgelesen Muusse, M.
14.04.2017 NL - Katwijk an Zee 52 12 N 4 24 E Farbring abgelesen Muusse, M.
24.04.2017 NL - Katwijk an Zee 52 12 N 4 24 E Farbring abgelesen Muusse, M.

below: Herring Gull (argentatus) HAL89 2CY, April 25 2017, Katwijk, the Netherlands. 

below: Herring Gull (argentatus) HAL89 2CY, April 23 2017, Katwijk, the Netherlands. 

US=100%, LS=75-99%, TOTSCAPS=75-99%. All flight feathers, coverts and tertials juvenile.

below: Herring Gull (argentatus) HAL89 2CY, April 13 2017, Katwijk, the Netherlands.