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10735

img 16883 - 600 DPI
measure

Passeriformes
Songbirds and kin

Certhiidae Certhia
Eurasian treecreeper (Certhia familiaris)


subspecies C. f. familiaris (nominate subspecies)
finding circumstances window collision
coll. D. Fikus
620/2
Collection in Poland
created: 23.11.2024
showcase

measurements

feathers

longest primary P6=56,5mm
average individual
38% of max range of variation
54,0mm
60,5mm
longest secondary S2=S1=47,5mm
longest retrix R1=70,0mm
big individual
77% of max range of variation
61,5mm
72,5mm
primary/secondary difference 9mm
primaries-index 16%
all values


P1 49.5mm
P2 49.5mm
P3 50.5mm
P4 51.5mm
P5 56.0mm
P6 56.5mm
P7 55.5mm
P8 53.5mm
P9 44.5mm
P10 23.0mm
S1 47.5mm
S2 47.5mm
S3 46.5mm
S4 45.0mm
S5 43.5mm
S6 40.5mm
S7 36.5mm
S8 28.5mm
S9 21.0mm
R1 70.0mm
R2 67.0mm
R3 61.5mm
R4 63.5mm
R5 61.0mm
R6 54.0mm