143. Phylloscopus borealis

143. EVERSMANN’S WARBLER.
PHYLLOSCOPUS BOREALIS.
Phylloscopus borealis (Blasius), Naumannia, 1858, p. 313 ; (Naumann), xiii. p. 69, Taf. 375, fig. 1 ; Dresser, ii. p. 509, pl. 79 ; (Dybowskr), J.f.O. 1872, p. 358 ; Seebohm, Cat. B. Br. Mus. v. p. 40 ; (Oates), F. Brit. Ind. Birds, i. p. 412 ; (Tacz.) F. O. Sib. O. p. 254 ; P. sylvicultrix, Swinhoe, Ibis. 1860, p. 53 : P. kennicotti, Baird, Trans. Chic. Acad. Sc. i. p. 279, pl. xxx. fig. 2.
Talof ka, Russ.
Male ad. (Lake Baikal). Upper parts greyish brawn tinged with pale green, the rump yellowish green ; wings crossed by two yellowish white bars ; superciliary stripe broad, yellowish ; under parts greyish white the breast and flanks greyer and washed with yellowish ; bill brown the lower mandible paler ; legs brown ; iris dark brown. Culmen 0.5, wing 2.7, tail 2.0, tarsus 0.8 inch ; 3rd and 4th primaries longest, 5th much shorter, bastard primary very small the exposed part measuring 0.32. In the autumn the under parts are pale yellow the breast and flanks washed with grey. Sexes alike.
Hab. Northern Norway east through northern and eastern Asia to Alaska, wintering in Burma., Tenasserim, and the islands of the Malay Archipelago ; a migrant in Mongolia and China ; has occurred in Heligoland.
Frequents non-evergreen woods in dry elevated localities generally in the vicinity of rivers or lakes, and feeds on insects especially mosquitoes, and obtains its food largely amongst the foliage in the treetops. Its call note is a single monotonous dzit, occasionally a double note d-z zit, and its song resembles the syllables tsi, tsi, tsi, tsi uttered in quick succession. It breeds in June, its nest being semi-domed, constructed of moss and dry grass, and lined with finer grass-bents, and is placed on the ground. The eggs 5 or 6 in number are rather larger than those of the Willow-Wren, white and profusely marked with small pale pink spots.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
143. Phylloscopus borealis
Book Author: 
H. E. Dresser
CatNo: 
143
Year: 
1902
Page No: 
99
Common name: 
Eversmann’s Warbler
M_ID: 
23025
M_CN: 
Arctic Warbler
M_SN: 
Phylloscopus borealis
Volume: 
Vol. 1
id: 
10242

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