1151. Krimnoehelidon obsoleta pallida

(1151) Krimnochelidon obsoleta pallida* Hume.
THE SIND PALE CRAG-MARTIN.
Ptyonoprogne obsoleta obsoleta, Fauna B, Birds, 2nd ed, vol. iii, p. 236, Krimnochelidon obsoleta pallida, ibid. vol. viii, p. 659.
As now restricted this race has a breeding range over Persia, Afghanistan, Baluchistan, Sind and the Mekran coast.
The first record of this bird’s breeding within our limits is that of Butler, which may or may not be correct. The birds were said to have been breeding with several pairs of H. rustica in the verandah of one of the telegraph-houses at Jask on the Mekran coast. The nest, which was fixed to one of the rafters of the roof of the verandah, is described as having been exactly like that of the Swallows, as were the eggs.
The only other records are those of Rattray, who on three occasions took the eggs of this bird at Hassan Abdul, Khar and Thull on the North-West Frontier, and of Williams, who found them breeding commonly in the hills near Quetta. The following is a summary of Rattray’s notes :—“Three single clutches were each taken from small scattered colonies of Swifts which were breeding on the faces of rock cliffs. In each colony only the one nest was accessible ; one nest was only 7 feet from the ground, but the others were at great heights. The nests were deep half-cups made of the usual small pellets of mud and lined with grass and feathers, in varying proportion. All the nests we could see well were placed under the projecting ledges or rocks, so that they were well pro¬tected from rain and storm. What the normal clutch is I cannot say, but the three nests taken 4. 6. 93, 6. 4. 98 and 4. 5. 06 held respectively 2, 3 and 2 eggs. In appearance these are just like those of Hirundo rustica. All the colonies were situated at about 4,000 feet elevation.”
It is, of course, impossible to generalize from so small a series of eggs, but it is striking that all of these few are long ovals in shape and not broad as in concolor. They are white, freely speckled and spotted at the larger end, sparsely elsewhere, with purplish black, these spots forming rings ip the three clutches.
The seven eggs average 19.4 x 12.9 mm. : maxima 20.0 x 12.7 and 19.9 x13.0 mm, ; minima 18.9 x 12.9 and 19.4 x 12.0 mm.
* Since the 'Fauna' was written good series of Sind birds have been obtained, and these show that they are markedly darker than the African birds, and Hume's race must therefore be maintained.

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: 
1151. Krimnoehelidon obsoleta pallida
Spp Author: 
Hume.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
1151
Year: 
1934
Page No: 
110
Common name: 
Sind Pale Crag Martin
M_ID: 
22549
M_SN: 
Ptyonoprogne obsoleta pallida
Volume: 
Vol. 3
id: 
14236

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