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7705

img 9944 - 400 DPI
img 9945 - 400 DPI
img 13266 - 150 DPI
img 13267 - 150 DPI
img 13268 - 150 DPI

Anseriformes
Ducks, geese and swans

Anatidae Anas
Pacific Black Duck (Anas superciliosa)

Foto der Art Anas superciliosa (Augenbrauenente) © Jo Kuyken

finding circumstances breed bird
finding date january 2015
coll. A. Haase
created: 04.05.2022
showcase

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~241mm

feathers

longest primary P8=185,0mm
longest secondary S13=144,5mm
longest retrix R1=R3=106,0mm
primary/secondary difference 66mm
primaries-index 36%
all values


P1 130.0mm
P2 137.0mm
P3 145.0mm
P4 153.5mm
P5 165.0mm
P6 174.5mm
P7 180.0mm
P8 185.0mm
P9 184.0mm
P10 169.5mm
S1 119.0mm
S2 124.0mm
S3 122.5mm
S4 123.5mm
S5 119.0mm
S6 119.0mm
S7 121.5mm
S8 120.5mm
S9 123.0mm
S10 126.0mm
S11 134.5mm
S12 143.0mm
S13 144.5mm
S14 123.0mm
S15 93.0mm
R1 106.0mm
R2 105.0mm
R3 106.0mm
R4 104.0mm
R5 101.5mm
R6 93.5mm