Southern boobook their upperparts. The tips of their feathers are white and fluffy, remnants of the nestlings' down. These are worn away over time, persisting longest on the head. The feathers of the head, neck and underparts are fluffier overall. Immatures in their second and third year have plumage more like adults, though their crowns are paler and more heavily streaked. On mainland Australia, it could be confused with the barking owl or the brown hawk-owl ("Ninox scutulata"), a rare vagrant to the northwest, although the southern boobook is easily distinguished by its squat posture and distinctive pale border to its face
Failure to refer Any sentence in which we attach a predicate to the name "Genghis Khan" is true if the predicate obtained in the actual world. Any sentence in which the predicate does not obtain for Genghis Khan is false. The Wikipedia statement “"Genghis Khan founded the largest contiguous empire in world history"” is thus true, and the statement “"Genghis Khan was one of the most successful playwrights of late Victorian London"” is false. As an example for a name that fails to refer to a real object, Russell used “"the present king of France"“ in a 1905 article. According to the Russellian