153. Trochalopterum erythrocephalum chrysopterum

(153) Trochalopterum erythrocephalum chrysopterum.

THE SHILLONG YELLOW-WINGED LAUGHING-THRUSH.

Ianthocincla chrysoptera Gould, P. Z. S., 1835, p. 48 (Khasia Hills). Trochalopterum chrysopterum. Blanf. & Oates, i, p. 90.

Vernacular names. None recorded.

Description. Differs from all the other races in having brown oval spots instead of black round spots on back and breast. It has a broad grey supercilium and the ear-coverts are rufous more or less tinged with grey. The chin and throat are dark chestnut.

Colours of soft parts. Iris yellowish or greyish brown, some¬times quite grey; legs fleshy or yellowish brown; bill dark horny-brown.

Measurements. Total length about 260 to 270 mm.; wing 101 to 106 mm.; tail about 110 to 115 mm.; culmen about 20 to 21 mm.; tarsus about 38 mm.

Distribution. Khasia Hills only.

Nidification. The breeding season of this subspecies commences in the end of April and ceases in the first week in June, though an odd nest or so, perhaps a second brood, may be found as late as August. The nest is a wide, shallow cup of moss, roots, grasses and dead leaves, bound together with roots, tendrils and stems o£ reeds and is lined with roots, fern-rachides or, rarely, fine grass. It is a fairly well-built nest, and often looks much like that of some of the true Thrushes. No attempt seems to be made at concealment, and it is usually placed in some tall, thinly foliaged bush, about 6 feet from the ground, in pine- or evergreen-forest.
The eggs are generally two only in number, sometimes three and very rarely four. In type of coloration they are like those of erythrocephalum, but are more boldly marked with a few black or deep purply-red blotches, spots or lines. In a few eggs these markings are very scanty, but in some are more numerous than in the eggs of other races of this Laughing-Thrush. The average of 50 eggs is 30.6 x 21.6 mm.

Habits. Those of the genus. A bird of the pine-forests from 4,000 feet upwards.

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.1 1922.
Title in Book: 
153. Trochalopterum erythrocephalum chrysopterum
Book Author: 
Edward Charles Stuart Baker
CatNo: 
153
Year: 
1922
Page No: 
166
Common name: 
Shillong Yellow Winged Laughing Thrush
M_ID: 
24969
M_CN: 
Assam Laughingthrush
M_SN: 
Trochalopteron chrysopterum
Volume: 
Vol. 1
id: 
2558

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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