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10657

img 16810 - 600 DPI
measure

Passeriformes
Songbirds and kin

Hirundinidae Delichon
Northern House-Martin (Delichon urbicum)

Foto der Art Delichon urbicum (Mehlschwalbe) © Andreas Stumpner

age / gender juv.
finding location Luzino
Województwo pomorskie, Poland
finding circumstances window collision
coll. D. Fikus
529/1
Collection in Poland
created: 17.10.2024
showcase

remarks

09.2017

measurements

wing

estimated wing length
based on the species wing/primarylength-ratio		 ~100mm

feathers

longest primary P7=87,0mm
smallest individual in collection
lower bound of range o variation
87,0mm
97,5mm
longest secondary S1=46,5mm
longest retrix R6=62,0mm
small individual
10% of max range of variation
61,0mm
71,0mm
primary/secondary difference 41mm
primaries-index 47%
all values


P1 48.5mm
P2 54.0mm
P3 59.5mm
P4 65.5mm
P5 72.0mm
P6 79.0mm
P7 87.0mm
P10 18.5mm
S1 46.5mm
S2 45.0mm
S3 44.0mm
S4 43.5mm
S5 43.5mm
S6 43.0mm
S7 41.5mm
S8 36.0mm
S9 30.0mm
R1 47.0mm
R2 47.5mm
R3 51.0mm
R4 55.0mm
R5 59.5mm
R6 62.0mm