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Keywords from Image Description:
Ornis Caucasica. Die Vogelwelt des Kaukasus Taf. III . Tai Hl Raddc admtpiru Mt Inst Fischa Cea id CirciLs aeruginosus Tar unicolor Rade Taf III Illustration biodiversitylibrary org title Radde Gustav Biodiversity Heritage Library Ornis Caucasica Die Vogelwelt des Kaukasus systematisch und biologischgeographisch beschrieben