Silver-backed Butcherbird

Here the details of the Silver-backed Butcherbird named bird below:

SCI Name:  Cracticus argenteus
Protonym:  Cracticus argenteus Proc.Zool.Soc.London Part VIII, Meeting of October 13, 1840 p. 126-127
Taxonomy:  Passeriformes / Artamidae / Cracticus
Taxonomy Code:  sibbut1
Type Locality:  Northwest coast of Australia. Type from Port Essington.
Author:  Gould
Publish Year:  1841
IUCN Status:  Least Concern

DEFINITIONS

CRACTICUS
(Artamidae; Ϯ Hooded Butcherbird C. cassicus) Gr. κρακτικος kraktikos  noisy, clamorous; "CRACTICIDAE  ...  MEMBERS OF THIS FAMILY are among the best known of Australian birds. They are  ...  usually bold and at times aggressive, have loud characteristic voices, sometimes harsh but often also tuneful." (Macdonald 1973); "99. CASSICAN, Cracticus.  Paradisea, Corvus, Linn. Gm. Lath.  Bec droit et glabre à la base, alongé, fléchi à la pointe; mandibules échancrées vers le bout; la supérieure prolongée et arrondie dans les plumes du front.   Esp. Cassican. — Calybé, Buff." (Vieillot 1816); "Cracticus Vieillot, 1816, Analyse, p. 37. Type, by monotypy, Cassican — Calybé Buffon = Ramphastos cassicus Boddaert." (Amadon in Peters, 1962, XV, p. 166).
Var. Cradicus.
Synon. Barita, Bulestes.

argentea / argenteus
L. argenteus  of silver, silvery  < argentum, argenti  silver.

SUBSPECIES

Silver-backed Butcherbird (argenteus)
SCI Name: Cracticus argenteus argenteus
argentea / argenteus
L. argenteus  of silver, silvery  < argentum, argenti  silver.

Silver-backed Butcherbird (colletti)
SCI Name: Cracticus argenteus colletti
colletti
Prof. Robert Collett (1842-1913) Norwegian zoologist, Director of Christiana Mus. 1882-1913 (subsp. Cracticus argenteus, subsp. Macronyx capensis, syn. Pachycephala rufiventris falcata, syn. Poecile montanus borealis, syn. Sturnus cineraceus, subsp. Synoicus chinensis).