Gulls in NW Europe
(last update: September 25, 2011
Herring Gull argenteus BLB H-137037 adult, September 30 2016, Westkapelle, the Netherlands.
Ringed as adult (>5CY) on January 23 2005 at Wenduine Beach, Belgium. In 2016 this is 16+CY.
History:
| 30-09-2016 | N287 5-7, 4361 Westkapelle, Nederland | Muusse, Kleinwee, Marijnis |
| 05-05-2013 | Strand Domburg, Domburg, Zeeland, NL | Valkenburg |
| 23-01-2005 | Astridplein 7-17, De Haan, Wenduine, Flemish Region, BE | (BLB) Belgisch Ringwerk |
Not ringed as pullus, so not necessarily of local argenteus population, but in all respects argenteus, not argentatus. The primary moult score: P7>P6, almost fully grown and P10 old in the left wing. P10 dropped in right wing.
Primary moult scores in adult Herring Gulls at Scheveningen. |
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| . | 05-10-2000 | 07-10-2000# | 07-10-2000* | 12-10-2000 | 14-10-2000 | 21-10-2000 | 26-10-2000 |
| P5 | 1 | 1 | - | 1 | - | - | - |
| P6 | 32 | 19 | 28 | 5 | 4 | 1 | - |
| P7 | 51 | 69 | 82 | 69 | 106 | 32 | 24 |
| P8 | 7 | 19 | 15 | 29 | 69 | 53 | 87 |
| P9 | 1 | - | - | 2 | 2 | 4 | 18 |
| P10 | - | - | - | - | - | - | - |
| n: | 92 | 108 | 125 | 106 | 181 | 90 | 129 |
| average: | 6,7 | 7,0 | 6,9 | 7,3 | 7,4 | 7,7 | 8,0 |
| 95% CID: | 0,14 | 0,12 | 0,10 | 0,12 | 0,08 | 0,12 | 0,10 |
| SD: | 0,66 | 0,63 | 0,58 | 0,61 | 0,55 | 0,58 | 0,57 |
Notes: |
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