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Keywords from Image Description:
Ornis Caucasica. Die Vogelwelt des Kaukasus Taf. XII . Taf XH Rad de ad uilj in Artist AnsLv Fuiluv Cassd Motacilla allia iind Varietten Taf XII Illustration biodiversitylibrary org title Radde Gustav NameFound Motacilla allia Biodiversity Heritage Library Ornis Caucasica Die Vogelwelt des Kaukasus systematisch und biologischgeographisch