698. Bubo sibiricus

698. SUBSP. BUBO SIBIRICUS.
Bubo sibiricus, Licht.” (Susemihl) Vog. Eur. Taf. 44 (1841) ; ? Licht. Nomencl. Av. p. 7 (1854) ; Tacz. F. O. Sib. O. p. 145 ; B. turcomanus, Sharpe, Cat. B. Br. Mus. ii. p. 17 (partim, nec. Eversm.).
Male ad. (Siberia). Differs from B. ignavus in having the ground colour of the plumage white, the upper parts, wings, and tail here and there faintly washed with pale rufescent ochreous, the ground colour of the under parts pure white, the blackish markings rather fewer, and the facial disk white, with a faint ochreous grey tinge ; ear-tufts black on the outer, and white on the inner web ; feathers on the legs and feet white. Culmen 2.35, wing 18.5, tail 11.0, tarsus 3.6 inch.
Hab. This bird, which is a north-eastern form of B. ignavus, nhabits Siberia, east to the. Pacific coast, and in habits and nidification does not differ from that species. The eggs, which are usually deposited late in March, are white, and measure about 2.35 by 1.92.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
698. Bubo sibiricus
Book Author: 
H. E. Dresser
CatNo: 
698
Year: 
1902
Page No: 
490
M_ID: 
6559
M_SN: 
Bubo bubo sibiricus
Volume: 
Vol. 1
Term name: 
id: 
10967

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