La Tour du Valat

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Bartel T 2023: White markings on wing and upper tail coverts of Northern Nutcrackers Nucifraga c. caryocatactes: Interpret correctly!

Thomas Barthel, Auteur

Dans Vogelwarte (61(1) 2023)

During the ten-year study of the Spotted Nutcracker in the Saxon Erzgebirge, various white markings could be detected on the wing remiges. Through ringing, changes in shape and size of the white markings on the wing were recognised in recaptures[...]

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