Richard C. Banks M.R. Browning 1991 The name Strix wapacuthu Gmelin, often used for the subspecies of Bubo virginianus west of Hudson Bay, cannot be associated with certainty with either B. virginianus or Nyctea scandiaca. The subspecific name of the population of B. virginianus from Mackenzie to central-eastern British Columbia and northern Ontario should be B. v. subarcticus Hoy. application/pdf en The identity of Pennant's 'Wapacuthu owl' and the subspecific name for the population of Bubo virginianus from the western Hudson Bay article