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8849

img 17586 - 150 DPI
img 17585 - 150 DPI

Charadriiformes
Waders, gulls and auks

Sternidae Thalasseus
Sandwich tern (Thalasseus sandvicensis)


finding location Friedrichskoog
finding circumstances dead find
finding date 2022
coll. A. Haase
created: 22.01.2023
showcase

measurements

feathers

longest primary P10=232,0mm
longest secondary S19=99,5mm
longest retrix R6=147,5mm
primary/secondary difference 149mm
primaries-index 64%
all values


P1 92.5mm
P2 106.0mm
P3 126.0mm
P4 144.0mm
P5 164.5mm
P6 179.0mm
P7 195.5mm
P8 211.5mm
P9 224.0mm
P10 232.0mm
S1 83.5mm
S2 80.0mm
S3 79.0mm
S4 79.0mm
S5 76.0mm
S6 78.0mm
S7 78.5mm
S8 78.0mm
S9 80.0mm
S10 81.5mm
S11 84.0mm
S12 83.0mm
S13 85.0mm
S14 88.0mm
S15 92.0mm
S16 90.0mm
S17 89.5mm
S18 95.0mm
S19 99.5mm
S20 95.0mm
S21 83.5mm
S22 54.5mm
R1 83.0mm
R2 88.0mm
R3 92.0mm
R4 108.5mm
R5 123.0mm
R6 147.5mm