Image 1. Hirundo rustica roosting gregariously in
overhead wires at commercial part of the town Jamshedpur.
Image 2. Roosting pattern of
Barn Swallow Hirundo rustica.
Pictures taken at the Station Road, Jugslai, Jamshedpur.
Figure 1. Monthly population of Barn Swallows during study
period
Figure 2. Graph illustrating month-wise roosting time after sunset (in min.) of H. rustica
Table 1. Mean and ± SD of month-wise roosting time after sunset (in min) of H. rustica
|
Month |
Mean roosting time after sunset (in minutes) |
|
|
2006-2007 |
2007-2008 |
|
|
September |
17+ 0.86 |
18+1.43 |
|
October |
16+ 1.32 |
17+1.24 |
|
November |
16+1.22 |
14+1.10 |
|
December |
14+ 1.03 |
13+0.84 |
|
January |
19+1.09 |
21+0.65 |
|
February |
22+0.72 |
23+0.88 |
|
March |
24+0.98 |
28+1.03 |
|
April |
27+1.01 |
26+1.21 |