158. Hypolais olivetorum

158. OLIVE-TREE WARBLER.
HYPOLAIS OLIVETORUM.
Hypolais olivetorum (Strickl.), in Gould’s B. of E. ii. pl. 107 (1837) ; Dresser, ii. p. 527, pl. 82, fig. 2 ; Seebohm, Cat. B. Br. Mus. v. p. 79.
Male ad. (Asia Minor). Upper parts dull brownish grey tinged with olivaceous ; wings and tail darker and margined with dull white ; edge of eyelids and an indistinct superciliary stripe white ; under parts white, the breast washed with pale yellowish buff, and the flanks with brownish buff ; beak horn-brown, lower mandible yellowish at base ; legs dull plumbeous ; iris dark brown. Culmen 0.73, wing 3.4, tail 2.8, tarsus 0.95 inch ; first primary very short, only 1.2 long, second and fourth about equal, third 0.1 longer than the second, and longest. The female and young are a trifle paler and duller, and in the winter the under parts are rather greyer in both sexes.
Hab. Greece, Asia Minor, Palestine, and Algeria ; of doubtful occurrence at Valencia in Spain ; winters in Africa, how far south we do not know, but it has been met with in Abyssinia.
It frequents the olive groves in the valleys, and is very shy and unobtrusive in its habits, seeking its food, which, like its allies’, consists chiefly of insects, amongst the dense foliage. Its song is loud and of fairly good quality, resembling that of the Sedge-Warbler in loudness and rapidity but is superior in tone, and though loud, rich, and clear, is somewhat monotonous. Its nest, which is placed in the fork of an olive-tree, is neatly constructed of thistle-down and fine grass-bents, finished off at the top with cobwebs and other similar material, cup-shaped, and lined with a few rootlets and horsehairs, and the eggs which are deposited in June, usually 4 in number, are larger than any other of the genus, pale reddish grey in ground colour, much paler than those of H. polyglotta, but not so grey as those of H. pallida. The spots are rather larger and have the same tendency to run into streaks, the shell-markings are scarcely noticeable, and the ground-colour is opaque. In size they average about 0.8 by 0.58. Sometimes, though rarely, the spots have a tendency to form a zone round the larger end.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
158. Hypolais olivetorum
Book Author: 
H. E. Dresser
CatNo: 
158
Year: 
1902
Page No: 
109
Common name: 
Olive Tree Warbler
M_ID: 
23297
M_CN: 
Olive-tree Warbler
M_SN: 
Hippolais olivetorum
Volume: 
Vol. 1
id: 
10591

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