A. atricapillus

from The Collaborative International Dictionary of English v.0.48
Goshawk \Gos"hawk`\, n. [AS. g[=o]shafuc, lit., goosehawk; or
   Icel. g[=a]shaukr. See {Goose}, and {Hawk} the bird.] (Zool.)
   Any large hawk of the genus {Astur}, of which many species
   and varieties are known. The European ({Astur palumbarius})
   and the American ({A. atricapillus}) are the best known
   species. They are noted for their powerful flight, activity,
   and courage. The Australian goshawk ({A.
   Nov[ae]-Hollandi[ae]}) is pure white.
   [1913 Webster]
    

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