Genus ACANTHOPNEUSTE

Acanthopneuste Blasius, Naum. p. 313 (1858). Type, A. borealis (Bias.).
The genus Acanthopneuste differs from Phylloscopus, as already remarked, in having a larger and heavier bill and in having the nostrils overhung by hairs, which grow right up to the culmen. There are seven species which occur in India, geographical races of which have hitherto been given the rank of species. In many cases species which have a race breeding in the far North and visiting India in Winter on migration have a representative race breeding in the Himalayas which is sedentary or only locally migratory. These are very close to one another in appearance, and, in consequence, records of occurrence, nidification, etc., are often very contradictory and puzzling.
Key to Species,
A, With no baud on crown of head.
a. Second primary about equal to sixth .. A. borealis, p. 471.
b. Second primary between sixth and eighth.
a1. Wing-bars white or inconspicuous.. A. nitidus, p. 473.
b1. Wing-bars yellow and conspicuous . A. magnirostris, p. 476.
c. Second primary about equal to tenth .. A. lugubris, p. 478.
B. With a coronal band.
d. Inner webs of outermost tail-feathers with no white edging or only slightly developed; second primary between sixth and eighth……….A. occipitalis, p. 479.
e. Inner webs of outer tail-feathers wholly white or with broad white edging; second primary between eighth and tenth…….A. trochiloides, p. 480.

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: 
Genus ACANTHOPNEUSTE
Book Author: 
Edward Charles Stuart Baker
Year: 
1924
Page No: 
471
M_ID: 
22938
M_SN: 
Phylloscopus
Volume: 
Vol. 2
Term name: 
id: 
3544

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith