366. Lanius dichrourus

366. Subsp. Lanius Dichrourus.
Lanius dichrourus, Menzbier, Ibis, 1894, p. 382.
Ad. Differs from L. raddii in having the upper parts dark smoke-grey tinged with brownish on the back, the tail with more black, the outer feather with the terminal third black margined with white, the throat only white ; rest of the under parts pale buff-pink, the flanks vinaceous cin-namon, and the under wing-coverts brown, the lesser ones margined with white ; bill horn-brown, the base of the mandible paler ; legs dark brown ; iris brown. Culmen, 0.75, wing 3.75, tail 3.4, tarsus 0.9 inch.
Hab. Kenderlik river near the Lake Nov-Zaissan.
Nothing is on record respecting the habits of this Shrike. The present group of Shrikes, having an extensive and uninterrupted range is, like other similar groups, subject to considerable local variation, these varieties or forms inter¬grading into each other in localities where they meet. Several of these forms have been described by Russian authors, but I have been unable to examine a series or even individual specimens of most of them, and am therefore unable to give an opinion on them, but may say that Lanius eleagni Suschkin is stated to somewhat resemble L. collurio, as well as the Red¬tailed Shrikes, and that L. infuscatus Suschkin differs but little from it. L. bogdanovi is said to differ from L. raddii in being much smaller, with a shorter tail, and the upper parts, especially the head, are less grey. Should I, before completing the present work, be able to examine specimens of these Shrikes, I shall be able to add a few remarks by way of appendix.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
366. Lanius dichrourus
Book Author: 
H. E. Dresser
CatNo: 
366
Year: 
1902
Page No: 
244
Volume: 
Vol. 1
id: 
10918

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