Nesting studies of the house crow (Corvus splendens) in the City of Colombo

Research Communications
Hapangama H. A. D. C. and Dayawansa, P. N.
Proceedings of the 25th Annual session of Biology, Sri Lanka. 41p
Publication year: 2005

Hapangama H. A. D. C. and Dayawansa, P. N. (2005) Nesting studies of the house crow (Corvus splendens) in the City of Colombo. Proceedings of the 25th Annual session of Biology, Sri Lanka. 41p.

How do weed mats impact on the foraging behaviour of wading birds in the Bundala lagoon, Sri Lanka?

Research Communications
Lelwala L. H. D. S and Dayawansa, P. N.
Proceedings of the 26th Annual session of Biology, Sri Lanka. 49p
Publication year: 2005

Lelwala L. H. D. S and Dayawansa, P. N. (2005) How do weed mats impact on the foraging behaviour of wading birds in the Bundala lagoon, Sri Lanka?. Proceedings of the 26th Annual session of Biology, Sri Lanka. 49p

Behaviour of the Juvenile Asian Elephants in the Panicum maximum dominated grasslands in the Udawalawa National Park

Research Communications
Jayantha D., Dayawansa P. N. , U. K. G. K. Padmalal and Ratnasooriya, W. D.
Proceedings of the 10th International Forestry and Environment Symposium, 33p.
Publication year: 2005

Jayantha D., Dayawansa P. N. , U. K. G. K. Padmalal and Ratnasooriya, W. D. (2005) Behaviour of the Juvenile Asian Elephants in the Panicum maximum dominated grasslands in the Udawalawa National Park. Proceedings of the 10th International Forestry and Environment Symposium, 33p.

Some Aspects of  Behaviour of Juvenile Elephants at the Elephant Transit Home, Udawalawa, Sri Lanka

Research Communications
Jayantha D., Jayawardena S. and Dayawansa P. N.
Elephant Symposium, Pilanesberg NP, South Africa
Publication year: 2004

Jayantha D., Jayawardena S. and Dayawansa P. N. (2004) Some Aspects of  Behaviour of Juvenile Elephants at the Elephant Transit Home, Udawalawa, Sri Lanka. Elephant Symposium, Pilanesberg NP, South Africa.

Influence of the availability of garbage on the distribution  of house crow (Corvus splendens) in the city of Colombo

Research Communications
Keeragala, N. D. and Dayawansa, P. N.
Annual Sessions of Institute of Biology, Sri Lanka
Publication year: 2002

Keeragala, N. D. and Dayawansa, P. N. (2002) Influence of the availability of garbage on the distribution  of house crow (Corvus splendens) in the city of Colombo Annual Sessions of Institute of Biology, Sri Lanka.

Food and feeding preference of leopard (Panthera pardus kotiya) in the Sinharaja Man and Biosphere Reserve, Sri Lanka

Research Communications
Siyam, S. M., Wijesinghe, Mayuri R. and Dayawansa, P. N.
Sri Lanka Annual Sessions of Institute of Biology, Sri Lanka
Publication year: 2002

Siyam, S. M., Wijesinghe, Mayuri R. and Dayawansa, P. N. (2002) Food and feeding preference of leopard (Panthera pardus kotiya) in the Sinharaja Man and Biosphere Reserve, Sri Lanka Annual Sessions of Institute of Biology, Sri Lanka.

Diet and Microhabitat selection of two sympatric species of frogs in the Sinharaja Man and Biosphere Reserve, Sri Lanka

Research Communications
Dayawansa, P. N., Siyam, S. M. and Wijesinghe, Mayuri R
Annual ATB Conference, Tropical Forests: Past, Present, Future, The Association for Tropical Biology, Smithsonian Tropical Research Institute, Panama.
Publication year: 2002

Dayawansa, P. N., Siyam, S. M. and Wijesinghe, Mayuri R (2002) Diet and Microhabitat selection of two sympatric species of frogs in the Sinharaja Man and Biosphere Reserve, Sri Lanka. Annual ATB Conference, Tropical Forests: Past, Present, Future, The Association for Tropical Biology, Smithsonian Tropical Research Institute, Panama.

Abundance and distribution of house crow (Corvus splendens) in the city of Colombo

Research Communications
Keeragala, N. D. and Dayawansa, P. N.
Annual Sessions of Institute of Biology, Sri Lanka
Publication year: 2002

Keeragala, N. D. and Dayawansa, P. N. (2002) Abundance and distribution of house crow (Corvus splendens) in the city of Colombo Annual Sessions of Institute of Biology, Sri Lanka.

A comparative study of the diversity and abundance of herpetofauna on tree-fall  gaps and the adjacent closed canopy forest in the proposed Delwala forest reserve

Research Communications
Goonatilake, M. R. M. P. N. and Dayawansa, P. N.
Proceedings of the 22st Annual session of Biology, Sri Lanka. 41pp.
Publication year: 2002

Goonatilake, M. R. M. P. N. and Dayawansa, P. N. (2002) A comparative study of the diversity and abundance of herpetofauna on tree-fall  gaps and the adjacent closed canopy forest in the proposed Delwala forest reserve. Proceedings of the 22st Annual session of Biology, Sri Lanka. 41pp.

A Preliminary Study of the Impact of Domestic Cattle and Buffalo on the status of the Bundala National Park 

Research Communications
Bopitiya, D and Dayawansa, P. N.
Annual Sessions of the Sri Lanka Association for Advancement of Science
Publication year: 1998

Bopitiya, D and Dayawansa, P. N. (1998) A Preliminary Study of the Impact of Domestic Cattle and Buffalo on the status of the Bundala National Park  Annual Sessions of the Sri Lanka Association for Advancement of Science.

Microhabitat Selection and Resource Partitioning by Waders at the Bundala National Park (1999)

Research Communications
Wijesinghe, Mayuri R. and Dayawansa, P. N.
Annual Sessions of  the Sri Lanka Association for Advancement of Science
Publication year: 1997

Wijesinghe, Mayuri R. and Dayawansa, P. N. (1997) Microhabitat Selection and Resource Partitioning by Waders at the Bundala National Park (1999) Annual Sessions of  the Sri Lanka Association for Advancement of Science.

Antler Cycles in Male Axis Deer, Axis axis living in Sri Lanka close to the equator

Research Communications
Lincoln, G. A., Dayawansa, N. and Ratnasooriya, W. D.
Annual Sessions of Zoological Society of Edinburgh (Poster Presentation)
Publication year: 1994

Lincoln, G. A., Dayawansa, N. and Ratnasooriya, W. D. (1994) Antler Cycles in Male Axis Deer, Axis axis living in Sri Lanka close to the equator. Annual Sessions of Zoological Society of Edinburgh (Poster Presentation).

Diversity, Distribution, Composition and Fecundity of Cladoceran Zooplankton in the Colombo (Beira) Lake (1990)

Research Communications
Dayawansa, P. N. and Jayatunge, Y. N. A.
Annual Sessions of the Physiological Society of Sri Lanka.
Publication year: 1992

Dayawansa, P. N. and Jayatunge, Y. N. A. (1992) Diversity, Distribution, Composition and Fecundity of Cladoceran Zooplankton in the Colombo (Beira) Lake (1990) Annual Sessions of the Physiological Society of Sri Lanka.