806. Locustella lanceolata

(806) Locustella lanceolata.

The Streaked Grasshopper-Warbler.

Sylvia lanceolata Temm., Man. d'Orn., ed. 2, iv, p. 614 (1840) (Mainz, Irtum). Locustella lanceolata. Blanf. & Oates, i, p. 353.

Vernacular names. Sun-batta-sorai (Assam).

Description. Whole upper plumage russet olive-brown with broad, black, central streaks to the feathers; tail brown with narrow edges and tips of paler brown; under aspect of tail-quills whitish ; wing-coverts like the back; quill-feathers brown, edged with russet-brown on the outer webs and on both webs on the inner secondaries; a very indefinite buff supercilium; lores dusky; ear-coverts and sides of neck dull brownish, the former with pale shaft-streaks; below white, tinged with ochraceous; sides of breast and flanks vinaceous-brown; the fore-neck, breast and flanks streaked with black; under tail-coverts sometimes immaculate, at other times boldly streaked with black; under wing-coverts and axillaries pale vinaceous-ochre.

Colours of soft parts. Iris hazel or yellowish brown : bill dark brown above, lower mandible fleshy-yellow at base, with a dark tip ; legs fleshy-white, the claws pale horny.

Measurements. Length about 125 mm. ; wing 52 to 57 mm.; tail 48 to 51 mm.; tarsus about 16 mm.; culmen 10 to 11 nam.

In very old birds the streaks on the lower surface tend to disappear but are always present to some extent.

Distribution. In Summer this Warbler is found from Eastern Siberia to North-East Russia and in Winter it wanders South through China, the Indo-Chinese countries, Burma and Eastern Bengal as far West as Etawah but is rare beyond Bengal and East Orissa.

Nidification. Similar to that of the last species. The eggs,, which are said to number four to six, are described by Jourdain as " thickly marked with reddish brown on a rosy ground, with grey shell-markings." A clutch in my own collection is pale dull pink with numerous freckles of light red, forming a thicker cap at the larger end. Twelve eggs average 17.5 x 13.4 mm.: maxima 18.0 X 13.8 ; minima 17.0 x 13.0 and 17.4 x 12.8 mm.

They breed from early June to the middle of July.

Habits. The same as those of Pallas's Grasshopper-Warbler.

Locustella naevia.

Locustella naevia Bodd., Tabl. Pl. Enl., p. 351, no 681 (1778). Type-locality: Italy.

BookTitle: 
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Reference: 
Baker, EC S (1922–1930) The fauna of British India including Ceylon and Burma. Second edition. vol.2 1924.
Title in Book: 
806. Locustella lanceolata
Book Author: 
Edward Charles Stuart Baker
CatNo: 
806
Year: 
1924
Page No: 
401
Common name: 
Streaked Grasshopper Warbler
M_ID: 
23340
M_CN: 
Lanceolated Warbler
M_SN: 
Locustella lanceolata
Volume: 
Vol. 2
id: 
3446

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