113. Sylvia affinis

113. SIBERIAN WHITETHROAT.
SYLVIA AFFINIS.
Sylvia affinis Blyth, Cat. B. B. Mus. As. Soc. p. 187 (1849) ; Dresser, ix p. 53 ; Seebohm, Cat. B. Br. Mus. v. p. 19 ; Oates, F. Brit. Ind. Birds, ii. p. 397.
Resembles S. curruca, but has the second primary intermediate between the sixth and seventh and the upper parts are browner. Culmen 0.5, wing 2.55, tail 2.4, tarsus 0.85 inch.
Hab. Western Siberia, north almost to the limit of the forest growth, Turkestan, Persia, and Northern China, wintering in Baluchistan, India, and Ceylon.
In habits and nidification it does not differ from S. curruca, and its eggs closely resemble, those of that species. It differs, in fact, but little from S. curruca and is rather a questionable species, as the wing formula is frequently somewhat variable.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
113. Sylvia affinis
Book Author: 
H. E. Dresser
CatNo: 
113
Year: 
1902
Page No: 
77
Common name: 
Siberian Whitethroat
M_ID: 
25139
M_SN: 
Sylvia curruca halimodendri
Volume: 
Vol. 1
Term name: 
id: 
10810

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