472. Lanius homeyeri.
Homeyer's Grey Shrike.
Lanius homeyeri, Cabanis, Joum. fur Orn. 1873, p. 75; Severtzoff, S. F. iii, p. 430; Scully, S. F. iv, p. 136; Biddulph, Ibis, 1881, p. 51; Scully, Ibis, 1881, p. 432; Gadow, Cat. B. M. viii, p. 242.
Coloration. Forehead, nasal plumes, and a narrow supercilium white; anterior part of lores white, posterior part and a band to the end of the ear-coverts black ; upper plumage pale grey ; scapulars, lower rump, and upper tail-coverts white; the middle pair of tail-feathers white for one third of their Length at the base, then black with a narrow white tip ; the next two pairs with more white at base and broader white tips ; the remaining feathers nearly entirely white ; lesser wing-coverts grey; the outer coverts black; primaries and secondaries broadly white at base on both webs, then black with indistinct white tips ; tertiaries wholly black; lower plumage white with, in most cases, traces of wavy bars on the breast.
Upper mandible black, the edge whitish at gape ; lower mandible black at tip, whitish horny at base; legs, feet, and claws black (Scully).
Length about 10 ; tail 4.7 ; wing 4.6; tarsus 1.1 ; bill from gape 1.05.
This species is closely allied to L. excubitor of Europe, from which it differs in having more white on the lores, wings, and tail.
Distribution. Gilgit, on migration in spring and autumn.
This species is found in Turkestan in winter, and it extends westwards to Russia and northwards to Siberia.