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Keywords from Image Description:
Brehms Tierleben . page Corvultur crassirostris. under the picture reads Erzrabe Corvultur crassirostris natrl Gre Corvus crassirostris cite book Brehm Alfred Edmund Taschenberg Ernst Ludwig Schmidt Dr Eduard Oskar Leipzig Brehms thierleben allgemeine kunde des thierreichs Verlag des Bibliographischen instituts