941. Prinia inornata jerdoni

(941) Prinia inornata jerdoni (Blyth).
Prinia inornata jerdoni, Fauna B. I., Birds, 2nd ed. vol. ii, p. 535.
The present race is a resident breeding bird in Ceylon and in the South of India as far North as the Nilgiris and Travancore.
Wait (‘Birds of Ceylon,’ 2nd ed. p. 101) says :—“With us it is common round tanks and in paddy-fields and grass-lands in the low country, and on the hill patanas it occurs as high as 5,000 feet.” Wait also notes that the most usual kind of nest in Ceylon is the purse-shaped one. The description of the nest and nesting of the typical form covers all that need be said of this one ; but one must not pass over Wait’s remark that “the site generally chosen is a clump of reeds, or long grass growing in or near water.”
The breeding season in Ceylon is probably chiefly from November to February and then there is a second burst of laying in June, July and August. I have, however, eggs in my series taken by Wait and others in every month of the year. In the Nilgiris Miss Cockburn gave the nesting season as April to July, and in Mysore Mr. C. J. W. Taylor took three eggs on the 15th July at Manzeerabad.
The number of eggs laid is more often three than four and I have only seen one five, while occasionally only two are incubated.
The eggs resemble the blue type of those of P. i. inornata, and I have seen no other. Taken as a series they at once show as paler, brighter blue than those of the typical race and that they have rather fewer and smaller blotches, while lines are less often present. It will be seen that as one works from Ceylon Northwards the eggs get duller and darker and then, as one turns Southwards into Burma, they become tinged with pink, which increases in degree until one reaches Siam, when all the eggs are a wonderful white to deep salmon-pink with chestnut markings.
Two hundred eggs average 15.8 x 11.7 mm. : maxima 17.8 x 12.2 and 16.7 x 12.3 mm. ; minima 14.2 x 11.2 and 15.1 x 11.1 mm.

The Nidification Of Birds Of The Indian Empire
Baker, Edward Charles Stuart. The nidification of birds of the Indian Empire. Vol. 2. 1933.
Title in Book: 
941. Prinia inornata jerdoni
Spp Author: 
Book Author: 
Edward Charles Stuart Baker
Page No: 
Common name: 
Ceylon Wren Warbler
Plain Prinia
Prinia inornata
Vol. 2
Term name: 

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