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9956

img 16066 - 600 DPI
img 16067 - 600 DPI

Anseriformes
Ducks, geese and swans

Anatidae Aythya
Greater scaup (Aythya marila)


age / gender ad. male
finding location Gulf of Gdańsk
Województwo pomorskie, Poland
finding date 26.01.2015
coll. D. Fikus
50/12
Collection in Poland
created: 22.04.2024
showcase

remarks

bycatch victim

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~219mm

feathers

longest primary P9=162,5mm
big individual
82% of max range of variation
147,0mm
166,0mm
longest secondary S14=129,0mm
primary/secondary difference 65mm
primaries-index 40%
all values

P1 103.0mm
P2 110.0mm
P3 118.5mm
P4 125.5mm
P5 134.0mm
P6 144.0mm
P7 153.5mm
P8 162.0mm
P9 162.5mm
P10 156.0mm
S1 98.0mm
S2 97.0mm
S3 95.5mm
S4 93.5mm
S5 89.5mm
S6 90.0mm
S7 90.0mm
S8 91.0mm
S9 92.0mm
S10 94.5mm
S11 99.5mm
S12 106.5mm
S13 127.5mm
S14 129.0mm
S15 97.0mm
S16 72.5mm
S17 47.0mm