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Keywords from Image Description:
Ornis Caucasica. Die Vogelwelt des Kaukasus Taf. XIX . Taf XIX Radde ad nolpinx JrhsL inst Tk Fischer Casstb Picus major syriacus Hemp et Ehrl Sl JolianmsBlf medius minor quadrifasciatus Taf XIX Illustration biodiversitylibrary org title Radde Gustav NameFound Picus major NameConfirmed Picus major Biodiversity Heritage