541. Rhamphocorys clotbey

541. THICK-BILLED LARK.
RHAMPHOCORYS CLOTBEY.
Rhamphocorys clotbey, Bp. Comptes Rendus, xxi. p. 423 (1851) ; Dresser, iv. p. 383, pl. 242 ; Sharpe, Cat. B. Br. Mus. xiii. p. 527 ; Koenig, J. f. O. 1895, p. 429, Tab. xiv. (Bird, nest, and eggs).
Male ad. (N. Africa). Upper parts, scapulars, and smaller wing-coverts sandy isabelline. the crown greyer and indistinctly striped ; quills blackish brown, the secondaries terminated with white forming a large alar patch or band ; middle rectrices rufous isabelline, the rest white broadly tipped on the middle, narrowly on the outer ones, with dark brown ; sides of the head, face, and of the upper throat black ; with a streak below the eye, and a spot below the ear white ; chin, throat, and under parts white spotted with black on the breast and upper abdomen and with a long black central patch ; flanks and breast washed with isabelline ; beak and legs sandy brown, the beak very stout ; iris dark brown. Culmen 0.8, height of beak at base 0.5, width of mandible at base 0.37, wing 4.9, tail 2.8, tarsus 0.83 inch. The female differs from the male in being paler, the black less pure, and here and there washed with rufous buff.
Hab. Resident in the desert regions of Algeria and Tunis.
It is only found in the true desert, where it appears to affect the bases of the hillocks, and is generally met with in pairs or small family parties. Its flight is strong and it runs with great celerity. Its food consists of insects and small seeds. On the wing it utters a lark-like twitter or whistle, but I find no description of any song. It breeds in April, and the nest, which is placed in a depression on the ground under a bush, is constructed of grass-bents and plant-stems, lined with finer bents and occasionally with hair, and is large and well built. The eggs, usually 4 in number, are thin-shelled and fragile, cream-coloured with a pale apricot tinge, spotted all over with rusty red and rose-violet, and measure, about 0.95 by 0.75.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
541. Rhamphocorys clotbey
Book Author: 
H. E. Dresser
CatNo: 
541
Year: 
1902
Page No: 
377
Common name: 
Thick Billed Lark
M_ID: 
21594
M_CN: 
Thick-billed Lark
M_SN: 
Ramphocoris clotbey
Volume: 
Vol. 1
id: 
11030

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