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12199

img 18586 - 300 DPI
img 18587 - 300 DPI

Anseriformes
Ducks, geese and swans

Anatidae Aythya
Greater scaup (Aythya marila)


age / gender immat. male
finding location Kuźnica
Poland
finding circumstances washed up
finding date 25.11.2023
coll. D. Fikus
50/21
Collection in Poland
created: 19.01.2026
showcase

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~212mm

feathers

longest primary P9=157,0mm
average individual
53% of max range of variation
147,0mm
166,0mm
longest secondary S14=118,0mm
longest retrix R3=R4=71,0mm
small individual
22% of max range of variation
70,0mm
74,5mm
primary/secondary difference 62mm
primaries-index 39%
all values


P1 99.5mm
P2 104.5mm
P3 112.0mm
P4 120.0mm
P5 128.5mm
P6 137.0mm
P7 148.0mm
P8 156.0mm
P9 157.0mm
P10 151.5mm
S1 95.0mm
S2 92.0mm
S3 89.5mm
S4 86.5mm
S5 86.0mm
S6 85.0mm
S7 85.0mm
S8 84.5mm
S9 87.0mm
S10 89.5mm
S11 95.5mm
S12 104.0mm
S13 116.0mm
S14 118.0mm
S15 99.5mm
S16 72.5mm
S17 45.5mm
R1 66.0mm
R2 68.0mm
R3 71.0mm
R4 71.0mm
R5 69.5mm
R6 65.5mm
R7 61.0mm