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3959

img 5692 - 150 DPI
img 5693 - 150 DPI
img 5691 - 150 DPI

Charadriiformes
Waders, gulls and auks

Laridae Larus
Black-tailed Gull (Larus crassirostris)

Foto der Art Larus crassirostris (Japanmöwe) © Jo Kuyken

age / gender ad.
finding location Hafen von Itō
Shizuoka, Chūbu, Japan
finding circumstances dead find
finding date 16.02.2018
coll. A. Haase
created: 18.12.2018
showcase

measurements

feathers

longest primary P9=311,5mm
longest secondary S17=163,0mm
longest retrix R5=159,0mm
primary/secondary difference 158mm
primaries-index 51%
all values


P1 164.0mm
P2 178.5mm
P3 199.0mm
P4 216.0mm
P5 236.5mm
P6 262.5mm
P7 281.0mm
P8 299.0mm
P9 311.5mm
P10 301.5mm
S1 153.5mm
S2 147.0mm
S3 142.5mm
S4 140.5mm
S5 138.5mm
S6 139.0mm
S7 139.5mm
S8 141.0mm
S9 140.0mm
S10 139.5mm
S11 139.5mm
S12 140.5mm
S13 142.5mm
S14 149.5mm
S15 154.0mm
S16 157.0mm
S17 163.0mm
S18 160.0mm
S19 144.5mm
S20 123.0mm
S21 88.5mm
R1 153.0mm
R2 155.0mm
R3 156.0mm
R4 157.0mm
R5 159.0mm
R6 155.0mm