778. Dicrurus caerulescens leucopygialis

(778) Dicrurus caerulescens leucopygialis.

The White-vented Drongo.

Dicrurus leucopygiatis Blyth, J. A. S. B., xv, p. 198 (1846) (Ceylon); Blanf. & Oates, i, p. 316.

Vernacular names. Kowda or Kawuda Panika (Ceyl.).

Description. Similar to the preceding race but, generally, with the white restricted to the vent and under tail-coverts and posterior flanks In some birds the abdomen is also nearly all white but very seldom to anything like the extent it is in true caerulescens. The breast is generally a browner grey than it is in that bird and it is also a good deal smaller.
Colour of soft parts as in the preceding bird.

Measurements. Wing 104 to 123 rain.; tail 104 to 120 mm.; tarsus about 18 mm.; culmen 15 to 16 mm.

Distribution. Ceylon only.

Nidification. This Drongo breeds during March, April and May in the plains and foot-hills of Ceylon but, apparently, not up to any great height in the hills, It occurs in Kandy and up to 2,000 feet but there are only records of stragglers above this height. The nest is a shallow cup placed in the outer branches of trees in forests or plantations at heights between 10 and 30 feet from the ground. It is made of roots and grasses, sometimes of one of these only and is generally ornamented on the outside with scraps of bark, lichen or moss, the whole structure being strengthened with many cobwebs. Since rubber has been planted in Ceylon the rubber-trees seem 1o be very favourite sites. The eggs are like those of the last bird and a beautiful series of fifty egg collected by Messrs. E. Waite and W. W. A. Phillips average 22.6 x 17.1 mm.: maxima 25.0 X 18.0 and 23-5 x 18'2 mm.; minima 18.0 X 15.1 mm.

Habits. Those of the preceding bird

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.2 1924.
Title in Book: 
778. Dicrurus caerulescens leucopygialis
Book Author: 
Edward Charles Stuart Baker
CatNo: 
778
Year: 
1924
Page No: 
366
Common name: 
White Vented Drongo
M_ID: 
19599
M_SN: 
Dicrurus caerulescens leucopygialis
Volume: 
Vol. 2
id: 
3400

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