Genus OREOCINCLA

In the genus Oreocincla the sexes are alike, the under wing-coverts and axillaries are each of two colours, those on the axillaries being transposed or reversed in order on the under wing-coverts ; the lower plumage is distinctly barred or spotted, never squamated, and the rictal bristles are few and confined to the gape. The tail is typically short, and the upper tail-coverts very ample. There is a distinct pattern on the underside of the wing.

The Thrushes of this genus are permanent residents in the tracts they inhabit, or very locally migratory. They are found in thickly wooded parts.

The bill of the Thrushes of this genus varies much in shape and size. In O. dauma, O. mollissima, and O. dixoni it is as small as in Turdus; in O. spiloptera it is larger and very deep ; and in O. imbricata and O. nilgiriensis it is extremely large and coarse, resembling the bill of Zoothera.
Key to the Species.

a. Feathers of upper plumage boldly tipped with crescentic black bars.
a1. Ground-colour of lower plumage white
a2. Third and fourth quills equal and longest; second and fifth nearly equal, and about a quarter inch shorter than longest; wing 5.5……………………O. dauma, p. 152.
b2. Third, fourth, and fifth quills equal and longest; second rather shorter than sixth, and about half inch shorter than longest; wing 5……………………O. nilgiriensis, p. 153.
b1. Ground-colour of lower plumage ochraceous buff……………………O. imbricata, p. 154.
b. Feathers of upper plumage plain without darker margins or tips.
c1. Lower plumage with black crescentic tips ; wing over 5.
c2. Wing-coverts not tipped; tail not exceeding 4.3 ……………………O. mollissima, p. 154.
d2. Wing-coverts tipped ; tail about 4.7……………………O. dixoni, p. 155.
d1. Lower plumage with black triangular spots; wing about 4……………………O. spiloptera, p. 155.

BookTitle: 
The Fauna Of British India including Ceylon and Burma
Reference: 
OATES EW. The Fauna of British India, including Ceylon and Burma. Vol.2 1890.
Title in Book: 
Genus OREOCINCLA
Book Author: 
Eugene William Oates, Edited by William Thomas Blanford
Year: 
1890
Page No: 
151
M_ID: 
27054
M_SN: 
Zoothera
Volume: 
Vol. 2
Term name: 
id: 
950

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