The onset and the end of activity in a colony of approximately 1,500 cave dwelling bats were observed during four different months (December 22.1987; March 22, 1988: June 21, 1988 and September 23, 1988). Results reveal that diurnal rhythm in activity patterns of the bat colony is greatly influenced by natural light-dark· cycle. Computation of median timings for emergence and returning activity of the colony favours sunset as the strongest synchronizer of the activity rhythm of the colony.
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Cite this article:
J. Biswas and R.S. Kanoje
Biswas and Kanoje (1991). Seasonal and Photoperiodic control of the activity and daily exodus of a colony of cave-dwelling bat. Journal of Ravishankar University (Part-B: Science), 4(1), pp.33-41.