Genus IOLE

The genus Iole is not characterized by any trenchant characters. In many respects it is intermediate between Hemixus and Pycnonotus, but differs from both in the sharp carination of the upper mandible of the bill.

In Iole the feathers of the crown are slightly Lengthened, but they do not form a crest. The bill is about three-quarters the Length of the head, and when viewed laterally is of much the same shape as that of Hemixus figured above (fig. 84, p. 263). The nuchal hairs are short.

One species occurs in Southern India, one in the Nicobar Islands, and two in the eastern parts of the Empire.

Key to the Species.

a. Lower plumage streaked……………I. malaccensis, p. 283.
b. Lower plumage unstreaked.
a1. Crown and upper plumage uniformly of the same colour,
a2. The entire lower plumage bright yellow……………I. icterica, p. 283.
b2. The lower plumage dull olive-yellow; the under tail-coverts fawn-brown……………I. virescens, p. 284.
b1. Crown of a different colour to the upper plumage……………I, nicobariensis, p. 285.

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 IOLE
Book Author: 
Eugene William Oates, Edited by William Thomas Blanford
Year: 
1889
Page No: 
282
M_ID: 
22257
M_SN: 
Ixos
Volume: 
Vol. 1
Term name: 
id: 
410

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