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9952

img 16058 - 600 DPI
img 16059 - 600 DPI

Anseriformes
Ducks, geese and swans

Anatidae Aythya
Greater scaup (Aythya marila)


age / gender ad. female
finding location Gulf of Gdańsk
Województwo pomorskie, Poland
finding date 27.01.2015
coll. D. Fikus
50/8
Collection in Poland
created: 22.04.2024
showcase

remarks

bycatch victim

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~214mm

feathers

longest primary P8=P9=158,5mm
average individual
61% of max range of variation
147,0mm
166,0mm
longest secondary S14=133,5mm
primary/secondary difference 58mm
primaries-index 36%
all values

P1 106.0mm
P2 111.5mm
P3 119.0mm
P4 127.5mm
P5 135.5mm
P6 144.5mm
P7 152.0mm
P8 158.5mm
P9 158.5mm
P10 150.0mm
S1 101.0mm
S2 99.5mm
S3 96.0mm
S4 94.0mm
S5 91.0mm
S6 90.5mm
S7 90.0mm
S8 89.5mm
S9 90.5mm
S10 91.5mm
S11 95.5mm
S12 104.0mm
S13 122.0mm
S14 133.5mm
S15 113.0mm
S16 83.0mm
S17 56.0mm
S18 24.0mm