297. Sehoeniparus dubius dubius

(297) Schoeniparus dubius dubius (Hume).
THE TENASSERIM TIT-BABBLER.
Schoeniparus dubius dubius, Fauna B. I., Birds, 2nd ed. vol. i, p. 283.
This Tit-Babbler is found from the North to the South of Tenasserim.
Since Davison obtained his nests in Tenasserim the only ones taken appear to be three collected for me in February and March by one of my collectors. Davison’s notes in Hume’s ‘Nests and Eggs’ read :—“ On the 21st February I took a nest of this species on Muleyit Mountain containing two eggs, and put of the female which I shot off the nest I took another egg ready for expulsion.
“The nest was a large globular structure, composed externally of dried reed-leaves, very loosely put together, the egg-cavity deep and lined with fibres. It was placed on the ground close to a rock, and at the foot of a Zingiberaceous plant, and rather exposed to view. The nest was not unlike that of Pomatorhinus, but of course considerably smaller, not so much domed, and with the mouth of the egg-cavity pointing upwards.
“A few days later I took a second nest on the 25th, quite similar in shape and materials to the first one, but placed several feet above the ground, in a dense mass of creepers growing over a rock. It was quite exposed to view and from a distance of 3 or 4 feet the eggs were quite visible.
“There were three eggs in the nest, similar to those in the first nest.”
Two clutches of four and one of three sent me from near Muleyit have only the following brief note on the nests :—“ The nests were domed or semi-domed and made of dead leaves—mostly bamboo, grass, and roots, and lined with dead leaves. All were placed on the ground in among grass or undergrowth in bamboo jungle and thin open forest.” Other incomplete clutches of two eggs were sent later but with no note beyond “nests same as before.”
It is not certain where the two forms mandellii and the present meet, and nests and eggs obtained in Lower Pegu may be one or the other, though probably true dubius.
This subspecies apparently breeds from February to March and, if the Pegu birds are the same, in May.
The full clutch seems to be either three or four. The eggs are quite unlike any of those of the Babblers previously described and remind one very much of the eggs of English Blackcaps and Garden-Warblers. Having only small series of this subspecies it may suffice to say here that they are exactly the same as those of the much better-known Assam Tit-Babbler, of which I have seen many hundreds and which I describe at length under the nidification of that bird.
Thirty eggs average 20.5 x 15.9 mm. : maxima 22.1 x 16.0 and 20.5 x 16.4 mm. ; minima 19.2 x 15.5 and 21.4 x 15.1 mm.

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: 
297. Sehoeniparus dubius dubius
Spp Author: 
Hume.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
297
Year: 
1932
Page No: 
255
Common name: 
Tenasserim Tit Babbler
M_ID: 
24426
M_SN: 
Alcippe dubia dubia
Volume: 
Vol. 1
Term name: 
id: 
13496

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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