1250. Zosterops palpebrosa cacharensis

(1250) Zosterops palpebrosa cacharensis Stuart Baker.
THE CACHAR WHITE-EYE.
Zosterops palpebrosa cacharensis, Fauna B, I., Birds, 2nd ed. vol. iii, p. 361.
This little White-Eye is restricted to the South of the Brahma¬pootra River in Assam, extending East through Manipur and the Chittagong district to the Chin Hills, How far North-East it is found through the Naga Hills I do not know, but Coltart and I both, found elwesi to be the form in Margherita and the Dibrugarh District.
It breeds from the plains up to the top of the Barail Range, some 6,000 feet, hut is more common in the plains and up to about 3,000 feet than above this height.
As regards its breeding habits there is little to say. Nine nests out of ten will be found within 10 feet of the ground and many within 4 or 5 feet. Occasionally, however, it is built very high up. As regards the sites of the nests, these differ from those of other White-Eyes in being often in evergreen forest, though the birds select open glades, sides of streams or jungle-tracks even in these. They were also not rare in the open park-like lands in the North of North Cachar, where I found their nests in the numerous Oak-trees which dotted the whole surface of the wide rolling grass-lands.
The breeding season is from the last week in April to the first week in July, three eggs out of every four being laid in May. The normal number in a clutch is four, less often three, and I have once taken five.
Sixty eggs average 14.8 x 11.6 maxima 15.7 x 12.0 and 15.1 x 12.3 mm. ; minima 13.2 x 10.2 mm.
In this race of Zosterops, and probably in all others, both sexes incubate, as wo have frequently trapped both on the nest. Both also perform part of the duty of nest-building, but probably the female does most of it. I have occasionally been able to watch the process and, while one bird did all the arranging of the material, the other only worked rather intermittently at bringing it, and I presume this was the male. The latter, however, is a good father, and I have seen him busy feeding the young.

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: 
1250. Zosterops palpebrosa cacharensis
Spp Author: 
Stuart baker.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
1250
Year: 
1934
Page No: 
191
Common name: 
Cachar White Eye
M_ID: 
25488
M_CN: 
Oriental White-eye
M_SN: 
Zosterops palpebrosus
Volume: 
Vol. 3
id: 
14331

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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