Photo, picture:
Das Uebergangskleid Sommer-Winter vom Knutt erkennt man am teilweise noch orange gefaerbten Brust - und Bauchgefieder sowie an den kleinen orangen Federpartien am Kopf
The transition plumage summer-winter of the Red Knot can be recognized by the partially still orange colored breast - and belly plumage as well as by the small orange feather parts on the head
Calidris canutus

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