{"fact":"The Hawaiian crow, unlike most other Pacific island crows, likely originated from East Asia, not Australo-Papua.","context":"However, the Hawaiian crow (C. hawaiiensis) is not a member of this clade, instead it clusters with the Palaearctic C. frugilegus (Clade IV) and so we infer it to have colonized Hawaii from East Asia.","source":"Knud A Jønsson; Pierre-Henri Fabre; Martin Irestedt, Brains, tools, innovation and biogeography in crows and ravens, 10.1186/1471-2148-12-72","index":242}