1598. Mieropus afflnis nlpalensis

(1598) Micropus affinis nipalensis (Hodgs.).
THE NEPAL HOUSE-SWIFT.
Micropus affinis nipalensis, Fauna B. I., Birds, 2nd ed. vol. iv. p. 334.
This race of House-Swift has a most curious distribution, and better breeding material may enable Southern, Northern and Ceylon races to be discriminated. It occurs from Nepal East to Bhutan and possibly Western Assam. Thence it is found South through Central and East Bengal to Orissa and Madras and again West through the Deccan to the Southern Bombay Presidency and South to Travancore and Ceylon. In this island the birds seem exceptionally dark.
In Nepal and Sikkim they breed, up to an elevation of about 6,000 feet but leave these heights during the cold weather.
Their breeding habits are the same as those of other races, but Stevens (Journ. Bomb. Nat. Hist. Soc. vol. xxx, p. 676, 1925) has the following interesting note on their nesting in Sikkim ‘ This Swift, wherever stablished in the verandahs of dwelling houses, invariably usurps the bulky mud structures of the Swallow (H. d. nepalensis), and haying once obtained possession, its occupancy becomes a permanency. At Gopaldhara one such nest has been occupied for ten years, the birds remaining the whole year round. At Okayti, 7. 6. 23, I counted 38 nests, comprising a colony, where every available site appeared to be occupied under the eaves of an office building.”
In Ceylon they breed less exclusively in buildings, and their nests have been taken from caves, railway tunnels, arches of bridges over rivers etc.
In Nepal and Sikkim they breed from April to July ; in Bengal I have found eggs from March to early May and again in late June and July, while their eggs have been taken by other collectors from February to September. In Travancore they apparently breed from February to April and in Ceylon principally in February and March, though Wait lias taken eggs in July.
In the North they lay two to four eggs, in the South generally two only and but rarely three.
Although I have taken and seen endless eggs of this race I have only measured ten. These give an average of 21.9 x 14.4 mm. : maxima 22.7 x 15.0 mm. ; minima 20.9 x 13.9 mm.
These birds used to breed under the eaves of a bathroom in a hotel in Calcutta, where I had an opportunity of timing them. They began nesting operations in March ; one nest was repaired and the first egg laid on the 15th and the third and Last on the 17th, hatching on the 1st April, i. e., after fifteen days. The birds had not left the nest when I left the hotel twenty-seven days later. Other young hatched a few days before these had left and were flying about with their parents.
As soon as the young left for good the parents laid again, and brought up one or two more broods. Both birds repaired the nest, both incubated, often being in the nest together, and both fed the young ones equally diligently. Young and old returned to the nest nightly to sleep for a few days after the young had begun to fly,

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: 
1598. Mieropus afflnis nlpalensis
Spp Author: 
Hodgs.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
1598
Year: 
1934
Page No: 
458
Common name: 
Nepal House Swift
M_ID: 
7766
M_CN: 
House Swift
M_SN: 
Apus nipalensis
Volume: 
Vol. 3
Term name: 
id: 
14750

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