153. Trochalopteron erythrocephalum chrysopterum

(153) Trochalopteron erythrocephalum chrysopterum (Gould).
THE SHILLONG YELLOW-WINGED LAUGHING-THRUSH.
Trochalopterum erythrocephalum chrysopterum, Fauna B, I., Birds, 2nd ed. vol. i, p. 166.
The Yellow-winged Laughing-Thrush is restricted to the Khasia Hills and, even in that district, is very local, being found only between 4,000 and 6,200 feet.
The nests have only been taken by myself and my collectors so far as is recorded, but I understand that Mr. A. J. Currie has also taken them since I left India.
Unlike most other Laughing-Thrushes, this bird keeps almost entirely to Pine forests but, for breeding purposes, it prefers rather open Pine woods through which run ravines, where a certain amount of bush cover and small Oak and other saplings are able to live. It is on these bushes and saplings the Laughing-Thrush builds its nest. The only exceptions to its breeding in Pine woods are two nests, one built in Oak and Rhododendron forest just alongside Pines and the other in evergreen forest just below a belt of Pine woods.
The nest is a broad, rather shallow cup, about 6 to 8 inches across and from 2.1/2 to 3.1/2 inches deep. It is made of bamboo-leaves, dead leaves, grass, twigs and bracken, in most cases mixed externally with much green moss, though this is not always present. It is bound together with long roots, tendrils and stems of weeds, sometimes with two or one only of these three. The lining is always the same, a bed of dry leaves, next the outer materials and then a good lining of fine roots. A striking character of most nests is the general dark colour of the materials used.
They are very conspicuous nests, placed at any height between 2 and 10 feet from the ground but nearly always within reach of the hand.
The birds sit fairly close but leave before one actually approaches the nest within a yard or two, quietly slipping away into the nearest cover, with the low, rolling chuckle common to the genus.
The eggs number three in a full clutch, sometimes two only, and are like those of the other races.
Fifty eggs average 30.6 x 21.6 mm. : maxima 32.5 x 22.6 and 31.2 x 22.8 mm. ; minima 28.1 x 20.2 mm.
I have taken eggs from the 20th of April up to the 3rd of July, but the great majority of eggs are laid in the second half of May.

BookTitle: 
The Nidification Of Birds Of The Indian Empire
Reference: 
Baker, Edward Charles Stuart. The nidification of birds of the Indian Empire. Vol. 1. 1932.
Title in Book: 
153. Trochalopteron erythrocephalum chrysopterum
Spp Author: 
Gould.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
153
Year: 
1932
Page No: 
126
Common name: 
Shillong Yellow Winged Laughing Thrush
M_ID: 
24969
M_CN: 
Assam Laughingthrush
M_SN: 
Trochalopteron chrysopterum
Volume: 
Vol. 1
id: 
13358

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