606. Corvus leptonyx

606. IRBY’S RAVEN.
CORVUS LEPTONYX.
Corvus leptonyx, Peale, U.S. Expl. Exp. viii. p. 105 (1848) ; Sharpe, Cat. B. Br. Mus. iii. p. 19 ; C. tingitanus, Irby, Ibis, 1874, p. 264 ; Dresser, iv. p. 563, pl. 262, figs. 4-6.
l'Horagb, Arabic.
ad. (Morocco). Resembles C. corax, but is smaller, the lanceolate feathers extend only over the upper neck, are smaller, and to some extent bifurcate ; bill short and stout ; wing short ; entire plumage deep black, glossed with steel blue ; upper surface of wings tinged with brown. Cul¬men 2.5, height, of bill at base 1.0, wing 13.8, tail 7.75, tarsus 2.5 inch.
Hab. North-west Africa, Canary Islands, and Madeira.
Frequents the low flat country and in general habits resembles C. corax, but unless persecuted it is tame and confiding, visiting refuse heaps near the towns and villages in search of food. It places its nest, which is built of sticks, and lined with grass and rootlets, on trees or rocks, and is said sometimes to nest in communities. The eggs, 4 to 7 in number, are laid in April or May, and resemble those of G. corone, but are generally brighter in colour and measure about 1.69 by 1.24.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
606. Corvus leptonyx
Book Author: 
H. E. Dresser
CatNo: 
606
Year: 
1902
Page No: 
425
Common name: 
Irby’s Raven
Volume: 
Vol. 1
id: 
10407

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