† Slavonian falconn.Obsoleterare a falcon found in central and eastern Europe, perhaps a rough-legged buzzard ( Buteo lagopus) or juvenile northern goshawk ( Accipiter gentilis).
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1793 J. Leslie in tr. Comte de Buffon Nat. Hist. Birds IX. App. II. 427 The Sclavonian Falcon, Falco Marginatus.
1818 Mem. Wernerian Nat. Hist. Soc.2 605 Beckstein considers the Sclavonian Falcon as synonimous with the Falco lagopus.