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8823

img 15243 - 150 DPI
img 15242 - 150 DPI

Charadriiformes
Waders, gulls and auks

Laridae Larus
Great Black-backed Gull (Larus marinus)


age / gender 2nd cy
finding location Süd Norderney
Aurich, Niedersachsen, Germany
specimen key 19
finding circumstances plucked feathers
finding date 08.01.2023
coll. A. Haase
created: 18.01.2023
showcase

measurements

longest primary H9=345,0mm
small individual
34% of max range of variation
323,5mm
387,0mm
longest secondary 0
longest retrix S5=185,0mm
small individual
13% of max range of variation
180,0mm
219,5mm
all values


H10 336.0mm
S6 183.5mm
S5 185.0mm
S4 183.5mm
S3 182.0mm
S2 182.5mm
S1 181.5mm
H1 196.5mm
H2 214.0mm
H3 233.0mm
H4 254.5mm
H5 278.0mm
H6 302.5mm
H7 322.5mm
H8 337.0mm
H9 345.0mm