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日本語

specimen #5411

img 7616 - 150 DPI
img 7617 - 150 DPI

Charadriiformes
Waders, gulls and auks

Laridae Larus
Slaty-backed Gull (Larus schistisagus)

age / gender ad.
finding location Hasaki coast, Kamisu, Ibaraki Prefecture, Japan
specimen key JP18/22
finding circumstances washed up
finding date 26.02.2018
coll. 411t
created: 26.08.2020

measurements

longest primary H8=312,0mm
longest secondary A1=177,5mm
longest retrix S4=184,5mm
all values


H10 302.5mm
H9 310.5mm
H8 312.0mm
H7 294.5mm
H6 279.0mm
H5 253.5mm
H4 234.5mm
H3 215.5mm
H2 198.5mm
H1 184.0mm
A1 177.5mm
A2 169.5mm
A3 160.5mm
A4 162.0mm
A5 158.5mm
A6 157.5mm
A7 157.5mm
A8 151.0mm
A9 152.0mm
A10 150.0mm
A11 152.0mm
A12 152.5mm
A13 155.0mm
A14 157.5mm
A15 157.5mm
A16 157.5mm
A17 159.5mm
A18 165.5mm
A19 170.0mm
A20 170.0mm
A21 160.5mm
A22 139.0mm
A23 112.5mm
A24 78.5mm
S1 180.0mm
S2 180.0mm
S3 182.5mm
S4 184.5mm
S5 184.0mm
S6 184.0mm