found: Work cat.: Johnson, G. Vocalizations in the grey butcherbird Cracticus torquatus with emphasis on structure in male breeding song, 2003:p. 27 (early European names for the grey butcherbird include Coolady, Coolidie, and Koolide; butcherbirds belong to the family Artamidae)
found: ITIS, Apr. 21, 2006(Cracticus torquatus (Latham, 1802) - valid. Family Corvidae)
found: Avibase : the world bird database, via WWW, Apr. 21, 2006(Grey Butcherbird (Cracticus torquatus). English names: Gray Butcher Bird, Gray Butcherbird, Grey Butcher Bird, Grey Butcherbird. Family Cracticidae)
found: Complete list of bird species included in the Handbook of Australian, New Zealand, and Antarctic birds, with amendments, last update 13 June 2003, viewed via WWW, Apr. 21, 2006(Cracticus torquatus, Grey Butcherbird. Family Artamidae)
found: Draft working list of birds of Australia and Australian Territories, 2003, via WWW, Apr. 21, 2006(Grey Butcherbird, Cracticus torquatus. Artamidae)
