New Britain boobook New Britain boobook The New Britain boobook ("Ninox odiosa"), also known as the spangled boobook, New Britain hawk-owl or Russet hawk-owl, is a small owl that is endemic to New Britain, the largest island in the Bismarck Archipelago in Papua New Guinea. The New Britain boobook is a small owl that grows to a length of about . It has finely spotted chocolate-brown plumage, golden eyes and white eyebrows. Its facial disk is brown while the upper breast is marked with a wide brown band with buff or white barrings. The underparts are densely spotted brown. Its call is a
Failure to refer Failure to refer Failure to refer, also reference failure or failure of reference, is the concept that names can fail to name a real object. According to Bertrand Russell's theory of truth, there is only one actual world, and a statement's truth value depends on whether the statement obtains in the actual world. Continuing the tradition of Gottlob Frege, Bertrand Russell posited that a name picks out, or refers to, a real object in the world (Russell's correspondence theory of truth). The name "Genghis Khan" thus picks out the 12th and 13th century Mongol leader we know by that name.