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9959

img 16072 - 600 DPI
img 16073 - 600 DPI

Anseriformes
Ducks, geese and swans

Anatidae Aythya
Greater scaup (Aythya marila)


age / gender immat. male
finding location Kuźnica
Województwo pomorskie, Poland
finding circumstances dead find
finding date 30.12.2023
coll. D. Fikus
50/15
Collection in Poland
created: 22.04.2024
showcase

remarks

bycatch victim

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 S13=117,0mm
longest retrix R4=R5=72,0mm
average individual
44% of max range of variation
70,0mm
74,5mm
primary/secondary difference 67mm
primaries-index 43%
all values


P1 98.0mm
P2 103.0mm
P3 110.5mm
P4 118.5mm
P5 127.5mm
P6 137.0mm
P7 147.5mm
P8 156.0mm
P9 157.0mm
P10 149.5mm
S1 90.0mm
S2 88.0mm
S3 85.5mm
S4 83.0mm
S5 82.0mm
S6 82.0mm
S7 81.0mm
S8 82.0mm
S9 86.0mm
S10 94.5mm
S11 102.5mm
S12 115.5mm
S13 117.0mm
S14 95.0mm
S15 73.5mm
S16 52.0mm
S17 28.5mm
R1 68.0mm
R2 70.0mm
R3 71.0mm
R4 72.0mm
R5 72.0mm
R6 69.5mm
R7 66.5mm