Genus SUTHORA

The genus Suthora contains seven Indian birds which with one exception are of very small size. Jerdon and others have assigned these seven birds to three genera, Heteromorpha, Chleuasicus and Suthora. I consider them absolutely congeneric and have failed to find a single structural character by which to separate them.

This genus differs from the last in its relatively smaller bill (which is also of less depth as compared with its Length) and in the commissure being much less curved. From the next genus it may be separated by its much longer tail.

Many of these birds are very prettily coloured, and they appear to resemble the Tits in their habits, feeding on insects, for which they search the branches and leaves of trees. Nothing whatever is known about their nidification.

Key to the Species.

a. A well-defined large black or brown supercilium.
a1 Upper plumage olive-brown ……………….S. unicolor, p. 64.
b1. Upper plumage orange-brown.
a . Ear-coverts orange-brown……………….S. humii, p. 64.
b . Ear-coverts slaty-blue.
a3. Lower plumage orange-fulvous……………….S. nepalensis, p. C5.
b3. Lower plumage bluish-grey……………….S. poliotis, p. 65.
b. Supercilium very small or absent.
c1. Wings edged with bright chestnut……………….S. fulvifrons, p. 66.
d1. Wings edged with colour of back.
c2. No supercilium whatever……………….S. ruficeps, p. 67.
d2. A short black supercilium……………….S. atrisuperciliaris, p. 67.

BookTitle: 
The Fauna Of British India including Ceylon and Burma
Reference: 
OATES EW. The Fauna of British India, including Ceylon and Burma. Vol.1 1889.
Title in Book: 
Genus SUTHORA
Book Author: 
Eugene William Oates, Edited by William Thomas Blanford
Year: 
1889
Page No: 
63
M_ID: 
25280
M_SN: 
Cholornis
Volume: 
Vol. 1
Term name: 
id: 
78

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