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9100

img 14946 - 300 DPI
measure

Passeriformes
Songbirds and kin

Corvidae Cyanocitta
Blue Jay (Cyanocitta cristata)


finding location Markdale, Kanada, ca. 150km nördl. von Toronto
finding circumstances dead find
finding date summer 1997
coll. W. Hansen
175/4/1/1
Scientific feather collection Wilfried Hansen. Commercial use permitted under CC BY 4.0 license as long as credit is given to Wilfried Hansen and the Feather Research Group est. 1972
created: 12.06.2023
showcase

measurements

feathers

longest primary P4=118,5mm
longest secondary S1=109,5mm
longest retrix R1=132,5mm
primary/secondary difference 9mm
primaries-index 8%
all values


P1 111.5mm
P2 114.0mm
P3 117.0mm
P4 118.5mm
P5 117.5mm
P6 117.5mm
P7 113.0mm
P8 106.5mm
P9 90.5mm
P10 56.0mm
S1 109.5mm
S2 108.0mm
S3 105.5mm
S4 101.0mm
S5 98.5mm
S6 96.0mm
S7 94.0mm
S8 82.0mm
S9 62.0mm
R1 132.5mm
R2 131.5mm
R3 128.0mm
R4 124.0mm
R5 120.0mm
R6 115.0mm