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11974

img 18259 - 600 DPI
img 18260 - 600 DPI

Podicipediformes
Grebes

Podicipedidae Podiceps
Great Crested Grebe (Podiceps cristatus)


age / gender ad.
finding location Gulf of Gdańsk
Województwo pomorskie, Poland
finding circumstances bycatch
coll. D. Fikus
93/7
Collection in Poland
created: 20.12.2025
showcase

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~186mm

feathers

longest primary P9=128,0mm
average individual
35% of max range of variation
122,5mm
138,0mm
longest secondary S2=98,5mm
primary/secondary difference 31mm
primaries-index 24%
all values

P1 98.5mm
P2 101.5mm
P3 105.0mm
P4 109.0mm
P5 111.0mm
P6 114.5mm
P7 118.5mm
P8 124.5mm
P9 128.0mm
P10 126.0mm
P11 116.0mm
S1 97.5mm
S2 98.5mm
S3 96.5mm
S4 94.5mm
S5 93.5mm
S6 91.5mm
S7 91.0mm
S8 89.5mm
S9 87.5mm
S10 87.0mm
S11 88.0mm
S12 84.5mm
S13 84.5mm
S14 83.5mm
S15 85.5mm
S16 85.5mm
S17 85.0mm
S18 84.5mm
S19 88.5mm
S20 81.0mm
S21 65.0mm
S22 45.0mm