Source : Webster's Revised Unabridged Dictionary (1913)

Caracara \Ca`ra*ca"ra\ (k[aum]`r[.a]k[aum]"r[.a]), n. (Zo["o]l.)
   A south American bird of several species and genera,
   resembling both the eagles and the vultures. The caracaras
   act as scavengers, and are also called {carrion buzzards}.

   Note: The black caracara is {Ibycter ater}; the chimango is
         {Milvago chimango}; the Brazilian is {Polyborus
         Braziliensis}.

Source : WordNet®

caracara
     n : any of various long-legged carrion-eating hawks of South
         America and Central America