1333. Serilophus lunatus lunatus

(1333) Serilophus lunatus lunatus (Gould).
THE PEGU COLLARED BROADBILL.
Serilophus lunatus lunatus, Fauna B. I., Birds, 2nd ed. vol. iii, p. 469.
This very pretty Broadbill extends from Pegu, the Shan States and Karenni to the South of Tenasserim and Peninsular Siam.
The Pegu Broadbill is essentially a bird of evergreen forests and is very seldom found in other kinds. Once Davison found a nest on the roadside on the outskirts of the village Om-ben-gwin near Tavoy, but this is exceptional, and Hopwood, Mackenzie and K. C. Macdonald, who found nests near Tavoy, all say that they were found in dense forest, though the birds selected partially open places such as village-paths, game-tracks and, above all, streams and pools of water over which the nest was built. They are found both in the forests of the plains and foot-hills and also in the hills up to some 3,000 feet and in smaller numbers up to 5,000 feet.
The nest is generally built at the end of some pendent branch of a tree or bush or from the end of a bamboo, and may he at any height from the ground between 3 and 30 feet. Probably the favourite height is between 5 and 10 feet.
The best description of the nest is that given by Oates (Hume’s 'Nests and Eggs,’ vol. ii, p. 201), who writes:—“The nest was suspended from the branch of a small shrub in dense evergreen- jungle. The nest itself is a ball about six inches in diameter exteriorly, with a circular opening two inches wide exactly in the centre. The entrance is protected by a wide porch. The materials are chiefly coarse grass and the outer bark of elephant-grass and weeds hound together by fine, black hair-like roots. The exterior of the nest is adorned with innumerable yellow cocoons. Towards the bottom of the nest the materials become very coarse and are loosely put together, the ends straggling down a foot or more, forming a long tail. The total length is nearly two feet. The interior of the nest is beautifully and finely lined with broad leaves of elephant or thatch-grass, and a few green leaves are spread over the egg-cup. Altogether the nest is the most elaborate I have ever seen, differing in nothing but size from some of the many nests of Arachnechthra flammaxillaris that I have found.”
The nests vary greatly in size. Davison found one measuring about 8 by 6 inches ; Bingham took another at Myat-yo which was about 10 inches long by 6 broad ; Darling yet another, also in Tenasserim, the same in length but only 4 inches wide, a very exceptionally small nest. On the other hand, Macdonald saw one nearly 3 feet long. The materials vary according to whatever may be most handy, while the decorations seem to be added to the tastes of the birds. Cocoons, spiders’ egg-bags and the excretae of caterpillars are certainly the favourites, but some birds use none of these and decorate their nests entirely with green moss and lichen, while others use all these with many other oddments. Always, however, the lining is of broad leaves such as elephant-grass, thatch, bamboo etc., with invariably a top layer of green leaves. The nests are very conspicuous, hut may often escape examination on account of their resemblance to drift rubbish.
The breeding season is March to July and, during the latter month, Davison took nests in Tenasserim on the 11th and on the 28th found one from which the young had flown.
The full clutch of eggs is four or five. The ground is generally white but is sometimes tinged with very pale creamy-pink or claret- pink. Very rarely the eggs are spotless, but the great majority are speckled with tiny pin-points varying in colour from reddish brown to deep purple-black. In most eggs these specks are more numerous at the larger end and in a few they are practically absent over the smaller third of the egg.
The texture is rather fine and close and occasionally has a decided gloss. The normal shape .is a short, blunt oval, rarely rather lengthened hut never pointed.
Thirty-eight eggs average 23.9 x 17.4 mm. : maxima 26.7 x 17.2 and 23.8 x 18.0 mm. ; minima 22.25 x 17.25 and 22.6 x 16.3 mm.

BookTitle: 
The Nidification Of Birds Of The Indian Empire
Reference: 
Baker, Edward Charles Stuart. The nidification of birds of the Indian Empire. Vol. 3. 1934.
Title in Book: 
1333. Serilophus lunatus lunatus
Spp Author: 
Gould
Book Author: 
Edward Charles Stuart Baker
CatNo: 
1333
Year: 
1934
Page No: 
265
Common name: 
Goulds Broadbill
M_ID: 
12501
M_SN: 
Serilophus lunatus lunatus
Volume: 
Vol. 3
Term name: 
id: 
14433

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