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2319

img 3506 - 300 DPI
img 3507 - 300 DPI
img 3508 - 300 DPI

Gaviiformes
Loons

Gaviidae Gavia
Arctic Loon (Gavia arctica)


subspecies G. a. viridigularis
finding location Kamisu (Ibaraki, Japan)
Japan
finding circumstances washed up
finding date 11.06.2016
coll. A. Haase
JP16/S-1?
created: 12.05.2017
showcase

measurements

feathers

longest primary P10=180,5mm
longest secondary S1=117,5mm
primary/secondary difference 63mm
primaries-index 35%
all values

P1 122.0mm
P2 127.0mm
P3 131.5mm
P4 137.0mm
P5 145.0mm
P6 151.0mm
P7 159.0mm
P8 166.0mm
P9 177.5mm
P10 180.5mm
P11 174.5mm
S1 117.5mm
S2 115.5mm
S3 112.5mm
S4 108.0mm
S5 104.5mm
S6 101.5mm
S7 99.0mm
S8 97.5mm
S9 93.5mm
S10 93.0mm
S11 91.5mm
S12 89.5mm
S13 87.5mm
S14 85.0mm
S15 81.0mm
S16 76.0mm
S17 72.0mm
S18 64.0mm
S19 55.5mm