83. Ruticilla alaschanica

83. PRJEVALSKY’S REDSTART.
RUTICILLA ALASCHANICA.
Ruticilla alaschanica, Prjv. Mongol i Strana Tangut, ii. p. 40, Taf. ix. fig. 2 (1876) ; id. in Rowley’s Orn. Misc. ii. p. 175, pl. liv. fig. 2 (1877).
Male ad. (Kansu). Differs from R. erythronota in being larger and having as a rule a longer tail ; the black on the sides of the head and neck is replaced by dark slate grey and the crown and nape are dark slate grey, darker than in that species. Culmen 0.7, wing 3.55, tail 3.45, tarsus 0.9 inch.
Female ad. Does not differ from R. erythronota except in size.
Hab. The Alaschan and southern Koko-nor mountains, and those in the province of Kan-su. It breeds in the Sjan-si-bei mountains on the upper Chuanche, but its nest and eggs are, so far as I can ascertain, unknown.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
83. Ruticilla alaschanica
Book Author: 
H. E. Dresser
CatNo: 
83
Year: 
1902
Page No: 
54
Common name: 
Prjevalsky’s Redstart
Volume: 
Vol. 1
id: 
10661

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