466. Spelseornis longicaudatus sinlumensis

(466) Spelaeornis longicaudatus sinlumensis (Harington).
Speloeornis longicaudatus sinlumensis, Fauna B. I., Birds, 2nd ed. vol. i, p. 453.
According to Harington this race of Wren is found only in the Bhamo Hills but, with more material, it will probably have to be merged with the Watan form under the name of kauriensis, of which, at present, there are only two specimens in the British Museum.
The nests and eggs have been taken by Grant, Harington and Cook. Harington gives the following description of the nest (Ibis, 1914, p. 6) :—“At Sinlum, on the 29th April, 1905, a Kachin brought me a nest containing three eggs which I could not identify, the nest being of a type entirely new to me. The nest was placed on a bank in a very damp locality, the outside consisting of a loose ball of grass and leaves, which soon fell to pieces ; inside was a remarkable little cup made of some whitish substance, which had been worked up into a sort of papier-mache ; this was quite hard and evidently waterproof, a very necessary arrangement, as the bottom of the nest, when brought to me, was quite damp. From the peculiarity of the nest, and from its situation, I think there can be little doubt that it belongs to this species. When I was up in Sinlum in 1908 I procured specimens of U. sinlumensis in the same valley in which the nest had been found, but failed to find any nest.”
Apparently, however, nests were brought in to him by natives, as I have a pair of eggs and a single one from Harington dated 25.5.08 and 12.6.08, both taken at Sinlum at about 6,000 feet elevation. Once seen, the nest is, of course, unmistakable.
Harington describes the three eggs brought to him as “different to those of A. oatesi, two being a spotless white, the third having a faint pinkish ground-colour sparingly streaked with darker pink.”
Of the five eggs in my own collection two (Harington’s) are excep¬tionally well marked, with a ring of deep reddish spots round the larger end ; another single egg is feebly marked with pinkish, whilst the pair taken by Cook are pure white.
The average of eight eggs, including the three in Harington’s collection, is 18.9 x 14.3 mm. : maxima 20.7 x 15.6 mm. ; minima 18.0 x 14.1 and 19.0 x 13.9 mm.
In texture and shape, as well as in coloration, the eggs of all the Long-tailed Wrens seem to be very much alike.

The Nidification Of Birds Of The Indian Empire
Baker, Edward Charles Stuart. The nidification of birds of the Indian Empire. Vol. 1. 1932.
Title in Book: 
466. Spelseornis longicaudatus sinlumensis
Spp Author: 
Book Author: 
Edward Charles Stuart Baker
Page No: 
Common name: 
Sinlum Long Tailed Wren
Vol. 1

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