Prof. Wipula B Yapa
Department of Zoology
Publications
Present status of Sri Lankan bats
Digana, P. M. C. B., Yapa,W.B., Randeniya, P. V. and Ratnasooriya,W D. (2001). Present status of Sri Lankan bats. Proceedings of the 21st Annual Sessions of the Institute of Biology, Sri Lanka. P21.
Does the response behaviour of male Megaderma lyra to contact calls depend on the sex of the caller.?
Voelk, E., Doerrie, M., Schmidt, S. and Yapa, W. B. (2001) Does the response behaviour of male Megaderma lyra to contact calls depend on the sex of the caller.? Advances in Ethology. 36 Supplements, Blackwell, Berlin, 284.
Are bats cannibalistic? Evidence from the Indian False Vampire bat, Megaderma lyra
Nandasena, M.R.N.P., Yapa, W.B. , Schmidt, S. and Ratnasooriya, W.D. (2001). Are bats cannibalistic? Evidence from the Indian False Vampire bat, Megaderma lyra. Proceedings of the 21st Annual Sessions of the Institute of Biology, Sri Lanka. P 19.
Yapa, W. Animal Behaviour (in Sinhala); Education Publications Department (2001).
Triggering social behaviour in the field: Play back experiments on the role of the contact calls in the bat Megaderma lyra
Schmidt, S., Seidl, B. and Yapa, W. B. (2000) Triggering social behaviour in the field: Play back experiments on the role of the contact calls in the bat Megaderma lyra. Zoology 103, Supplement III:23.
Roost selection of Sri Lankan bats
Digana, P.M.C.B., Yapa,W.B., Randeniya, P.V. and Ratnasooriya, W. D. (2000). Roost selection of Sri Lankan bats. Proceedings of the 1st Annual Sessions, University of Colombo, Sri Lanka, P39.
Diet composition of greater false vampire bat, Megaderma lyra at Baddegama, Sri Lanka
Nandasena, M., Yapa, W.B., Schmidt, S. and Ratnasooriya, W.D. (2000). Diet composition of greater false vampire bat, Megaderma lyra at Baddegama, Sri Lanka. Proc. of the 20th Annual Ses. of the Institute of Biology, Sri Lanka. P38.
Communication in bats.: The contact call of Megaderma lyra
Seidl, B., Schmidt, S. and Yapa, W. B. (1999) Communication in bats.: The contact call of Megaderma lyra. Zoology 102, Supplement II:56.
Food preference of short nosed fruit bat Cynopterus sphinx (Chiroptera)
Kumarasinghe, J., Digana, P.M.C.B., Yapa, W.B., Randeniya, P.V. and Ratnasooriya, W. D. (1998). Food preference of short nosed fruit bat Cynopterus sphinx (Chiroptera). Proceedings of the 18th Annual Sessions of the Institute of Biology, Sri Lanka. P20.
Breeding associated migration of Miniopterus schreibersii between two natural caves in Sri Lanka
Yapa, W.B., Digana, P.M.C.B., Ratnasooriya, W.D., Rübsamen, R., Costa, H.H. and Randeniya, P.V. (1998) Breeding associated migration of Miniopterus schreibersii between two natural caves in Sri Lanka. Proceedings of the 19h Annual Sessions of the Institute of Biology, Sri Lanka. P21.
An Electronic Surveillance System for Night-Flying Birds
C. M. Edirisinghe, D. U. J. Sonnadara and W. Yapa (1998). An Electronic Surveillance System for Night-Flying Birds. Proceedings of the 14th Technical Session, Institute of Physics, Sri Lanka.
Neonatal mortality of rufous horse shoe bat Rhinolophus rouxii, (Chiroptera) in a maternity colony Wavul-Galge in Sri Lanka
Digana, P.M.C.B., Yapa, W.B., Randeniya, P.V. and Ratnasooriya, W. D. (1997). Neonatal mortality of rufous horse shoe bat Rhinolophus rouxii, (Chiroptera) in a maternity colony Wavul-Galge in Sri Lanka. Proceedings of 17th Annual Sessions of the Institute of Biology, Sri Lanka. P17.
Breeding pattern of Schneiders Leaf nosed bat Hipposideros speoris (Microchiroptera) in Sri Lanka
Digana, P.M.C.B., Yapa, W.B., Randeniya, P.V. and Ratnasooriya, W. D. (1997). Breeding pattern of Schneiders Leaf nosed bat Hipposideros speoris (Microchiroptera) in Sri Lanka. Proceedings of the Sri Lanka Association for the Advancement of Science, 53rd Annual Sessions. P243.
Some observations on the distribution and abundance of the microchiropteran bats in the wet zone of Sri Lanka
Yapa, W.B., Digana, P.M.C.B., Randeniya, P.V. and Ratnasooriya, W. D. (1996). Some observations on the distribution and abundance of the microchiropteran bats in the wet zone of Sri Lanka. Proceedings of the 16th Annual Sessions of the Institute of Biology, Sri Lanka. P4.
Roosting pattern of some Sri Lankan bats
Digana, P.M.C.B., Yapa, W.B., Randeniya, P.V. and Ratnasooriya, W. D. (1996) Roosting pattern of some Sri Lankan bats. Proceedings of the Sri Lanka Association for the Advancement of Science, 52nd Annual Sessions. P149.
Ontogeny of Doppler shift compensation behaviour in the rufous horse-shoe bat Rhinolophus rouxii
Rübsamen, R., Leippert, D., Brückner, S. and Yapa, W.B. (1992) Ontogeny of Doppler shift compensation behaviour in the rufous horse-shoe bat Rhinolophus rouxii. Proc. Göttingen Neurobiology Conference, Germany. P 234.
Factors affecting the flight activity pattern of cave dwelling bats in Sri Lanka
Yapa, W.B., R., Ratnasooriya, W.D., Rübsamen, and Costa, H.H. (1990). Factors affecting the flight activity pattern of cave dwelling bats in Sri Lanka. Proceedings of the Physiological Society of Sri Lanka. P3.
The pattern of reproduction of some cave dwelling bats in Wavul Galge, a natural cave in Uva province of Sri Lanka
Yapa, W.B., Rübsamen, R., Ratnasooriya, W.D. and Costa, H.H. (1989). The pattern of reproduction of some cave dwelling bats in Wavul Galge, a natural cave in Uva province of Sri Lanka. Proceedings of the 45th Annual Sessions of the Sri Lanka Association for the Advancement of Science. P84.