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Keywords from Image Description:
Ornis Caucasica. Die Vogelwelt des Kaukasus Taf. XIII . Taf Rdsie ad natpnuz Artist Inst Th Fischtr Cassd LSytoa mystacea Mentr Phylloscopus rufus LatLv obscurusE Taf XIII Illustration biodiversitylibrary org title Radde Gustav NameFound Phylloscopus rufus NameConfirmed Phylloscopus rufus Biodiversity Heritage Library