Corvus violaceus Bonaparte, 1850 sec. Droege, G., Corvids of the World

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Corvus violaceus Bonaparte, 1850 sec. Droege, G., Corvids of the World

Corvus violaceus Bonaparte, 1850 sec. Droege, G., Corvids of the World
    • =Corvus enca subsp. violaceus Bonaparte, 1850 syn. sec. Droege, G., Corvids of the World
    • =Corone enca, subsp. β C. violacea Sharpe, 1877 syn. sec. Droege, G., Corvids of the World
    • "Corvus modestus" sensu Stresemann 19161, non Brüggemann, 1878
    • 1. Stresemann, Die Vögel von Seran (Ceram). in Novitates zoologicae 21. 1