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11050

img 17426 - 150 DPI
img 17425 - 150 DPI

Charadriiformes
Waders, gulls and auks

Laridae Larus
Great Black-backed Gull (Larus marinus)


age / gender 2nd cy
finding location Norderney
finding circumstances washed up
finding date 18.01.2025
coll. A. Haase
created: 19.01.2025
showcase

species identification

Bestimmung Silber- o. Mantelmöwe nicht eindeutig geklärt

measurements

longest primary H9=330,5mm
small individual
11% of max range of variation
323,5mm
387,0mm
longest secondary A17=177,0mm
longest retrix S5=182,5mm
small individual
6% of max range of variation
180,0mm
219,5mm
all values






A1 175.5mm
A10 162.0mm
A9 160.5mm
A8 159.5mm
A7 159.5mm
A6 161.0mm
A5 160.5mm
A4 166.0mm
A3 170.0mm
A2 172.5mm
A11 163.5mm
H1 186.5mm
H2 201.0mm
H3 216.5mm
H4 237.5mm
H5 256.5mm
H6 278.5mm
H7 299.0mm
H8 319.5mm
H9 330.5mm
A20 161.5mm
S6 181.0mm
S5 182.5mm
S4 182.0mm
S3 177.5mm
S2 176.5mm
S1 174.0mm
A23 72.5mm
A22 111.0mm
A21 142.0mm
H10 327.0mm
A19 173.5mm
A18 172.5mm
A17 177.0mm
A16 176.0mm
A15 169.0mm
A14 166.5mm
A13 165.0mm
A12 165.0mm