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Sparrowhawk (sometimes sparrow hawk) may refer to several species of small hawk in the genus Accipiter. "Sparrow-hawk" or sparhawk originally referred to Accipiter nisus, now called "Eurasian" or "northern" sparrowhawk to distinguish it from other species.
The American kestrel (Falco sparverius), a North American falcon species, is also commonly referred to as a "sparrow hawk".
Sparrowhawk species include:
Source: Wikipedia