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Beleg #3968

Abb. 5720 - 150 DPI
Abb. 5721 - 150 DPI

Charadriiformes
Regenpfeiferartige

Laridae Larus
Japanmöwe (Larus crassirostris)

Alter / Geschlecht juv.
Fundort Hafen von Itō, Shizuoka, Japan
Fundumstände Totfund
Funddatum 28.08.2017
coll. 411t
erstellt: 23.12.2018

Anmerkungen

ohne Steuer erhalten mit Schulterfedern der anderen Körperhälfte

Artbestimmung

Durch Finder bestimmt,Beleg ist deutlich kleiner als das adulte Exemplar in der Sammlung. Aufgrund fehlender Vergleichsbelege kann die Bestimmung nicht verifiziert werden.

Altersbestimmung

Vogel zeigt erstes Federkleid. Mauser nicht erkennbar und Federn noch nicht stark verschlissen. 2. KJ kann daher ausgeschlossen werden

Messwerte

Längste Handschwinge H9=288,5mm
Längste Armschwinge A14=149,0mm
Alle Werte

H10 278.0mm
H9 288.5mm
H8 280.5mm
H7 263.5mm
H6 243.5mm
H5 221.5mm
H4 200.5mm
H3 182.5mm
H2 167.5mm
H1 155.5mm
A1 148.5mm
A2 145.5mm
A3 142.0mm
A4 140.0mm
A5 138.0mm
A6 137.0mm
A7 139.0mm
A8 138.0mm
A9 139.5mm
A10 141.0mm
A11 142.0mm
A12 145.5mm
A13 148.0mm
A14 149.0mm
A15 149.0mm
A16 148.0mm
A17 148.5mm
A18 143.5mm
A19 134.5mm
A20 118.5mm
A21 90.5mm