962. Tetraogallus caucasicus

962. Caucasian Snow-partridge.
TETRAOGALLUS CAUCASICUS.
Tetraogallus caucasicus (Pall.), Zoogr. Ross. As. ii. p. 76, and pl. (1811) ; Dresser, vii. p. 237, pls. 491, 492 ; (Radde), Orn. Caucas, p. 335, pl. xxi. figs. 1, 2 (eggs) ; Ogilvie Grant, Cat. B. Br. Mus. xxii. p. 109.
Gornaya-Indeika-Chourtka, Russ.
Male ad. (Caucasus). Crown, nape, and hind neck ashy grey ; a broad ashy grey patch, covering a large portion of each side of the Lead, passes down the side of the neck ; throat, and rest of the neck white ; upper parts greyish black, finely vermiculated with buff, the lower neck and fore back unspotted, the rest of the upper parts with buff and fox-red spots ; primaries white, broadly terminated with blackish ; secondaries white at the base, then like the back ; middle tail-feathers black, vermi¬culated with buffy white, the rest black tipped with chestnut, vermiculated at the base with buff, and at the tip with blackish ; lower throat and breast-feathers buffy white margined with black ; rest of under parts blackish ash-grey closely vermiculated with buffy white ; flank-feathers tinged with slate, margined on each side with fox-red, and externally edged with black ; under tail-coverts white ; bill dull yellowish, becoming horn-brown towards the tip ; legs orange-yellow ; iris brown ; bare skin round the eye yellow. Culmen 1.2, wing 10.5, tail 7.0, tarsus 2.25 inch. The female is duller and paler, the crown and hind neck are tinged with reddish brown, the stripe down the neck is reddish brown, and the barrings on the lower throat and breast are narrower and ill-defined.
Hab. The mountains of the Caucasus.
According to Dr. Radde this bird inhabits only the Great Caucasus, where it is found close to the snow line in rocky, almost inaccessible places, on the sides of the mountains where the sun has melted the snow, above the tree growth. In its habits it is said to be a true Partridge, and it feeds on tender buds and shoots of various Alpine plants, and lays up a store in some sheltered place for the winter. Its nest is a mere depression, or is a scanty bed of plant-stems, on the shelf of a rock in some sheltered position, and the eggs, 12 to 15 in num¬ber, are deposited late in April, and are dull light clay-buff in colour with an oil-green tinge, somewhat sparingly spotted with dull rufous, and measure about 2.65 by 1.78.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 2. 1903.
Title in Book: 
962. Tetraogallus caucasicus
Book Author: 
H. E. Dresser
CatNo: 
962
Year: 
1903
Page No: 
688
Common name: 
Caucasian Snow Partridge
M_ID: 
1109
M_CN: 
Caucasian Snowcock
M_SN: 
Tetraogallus caucasicus
Volume: 
Vol. 2
id: 
10128

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