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Keywords from Image Description:
Ornis Caucasica. Die Vogelwelt des Kaukasus Taf. XXIII . Tal XXm Fxiddc ad iiatpim trlist Arist Tk Fischen Cctssel Tetrao Mlokosiwicjzi Taa acatoptricus jicv Taf XXIII Illustration biodiversitylibrary org title Radde Gustav NameFound Tetrao NameConfirmed Tetrao EOLID NameBankID Biodiversity Heritage Library Ornis