{"fact":"Crows have successfully dispersed across most continents and even remote archipelagos, except for South America and Antarctica.","context":"The 40 Corvus species have also been successful dispersers and are distributed on most continents and in remote archipelagos such as Hawaii, Micronesia and Melanesia [10].","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":240}