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specimen #3925

img 5613 - 150 DPI
img 5614 - 150 DPI

Charadriiformes
Waders, gulls and auks

Laridae Larus
European Herring Gull (Larus argentatus)

age / gender 2nd cy
finding location
finding circumstances plucked feathers
finding date 22.01.2017
coll. 411t
created: 10.12.2018

remarks

einige Handschwingen zusammenhängend. In der Rupfung waren außerdem ein Stück Flügelknochen und eine einzelne Feder eines Basstölpels zu finden.

species identification

Zuerst als Heringsmöwe bestimmt, jedoch ist der Vogel deutlich zu hell gefärbt. Die Federmaße befinden sich im unteren Variationsbereich der Silbermöwe

age identification

Gleichmäßig gefärbte Handschwingen ohne Anzeichen eines Apikalflecks, Steuerfedern klar gebändert, Jugendkleid im zweiten Jahr (1. Winter)

measurements

longest primary H9=301,0mm
small individual
13% of max range of variation
294,0mm
350,0mm
longest secondary A1=159,0mm
longest retrix S5=171,5mm
small individual
23% of max range of variation
162,0mm
203,5mm
all values


H10 294.0mm
H9 301.0mm
H8 291.5mm
H7 273.5mm
H6 257.0mm
H5 238.0mm
H4 219.5mm
H2 188.0mm
H1 174.5mm
A1 159.0mm
S1 166.0mm
S2 167.0mm
S3 169.0mm
S4 171.0mm
S5 171.5mm
S6 171.0mm