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4429

img 6230 - 300 DPI
img 6231 - 300 DPI
img 7819 - 200 DPI
img 7820 - 200 DPI

Charadriiformes
Waders, gulls and auks

Sternidae Sterna
Common Tern (Sterna hirundo)

Foto der Art Sterna hirundo (Flussseeschwalbe) © Sylvia Urbaniak

age / gender 2nd cy
finding location Walvis Bay
Namibia
finding circumstances traffic victim
finding date 19.09.2018
coll. T. Hochebner
240-02
created: 01.08.2019
showcase

remarks

Großgefiedermauser

measurements

feathers

longest primary P10=220,0mm
big individual
73% of max range of variation
196,0mm
229,0mm
longest secondary S13=81,0mm
primary/secondary difference 141mm
primaries-index 64%
all values


P1 86.0mm
P4 125.5mm
P5 143.5mm
P6 161.5mm
P7 179.5mm
P8 198.0mm
P9 212.5mm
P10 220.0mm
S1 79.0mm
S2 77.5mm
S3 77.0mm
S4 77.0mm
S5 78.0mm
S6 77.5mm
S7 77.5mm
S8 77.5mm
S9 79.0mm
S10 79.0mm
S11 79.5mm
S12 79.0mm
S13 81.0mm
S14 80.0mm
S15 78.0mm
S16 71.0mm
S18 69.5mm
R1 82.0mm
R2 84.5mm
R4 101.5mm
R5 118.0mm