Karawita H, Perera P, Gunawardane P, Dayawansa N (2018) Habitat preference and den characterization of Indian Pangolin (Manis crassicaudata) in a tropical lowland forested landscape of southwest Sri Lanka. PLoS ONE 13(11): e0206082. https://doi.org/10.1371/journal.pone.0206082
Perera, S. Wijesinghe, N. Dayawansa, S. Marasinghe and C. Wickramarachchi (2017) Response of tropical birds to habitat modifications in fragmented forest patches: A case from a tropical lowland rainforest in south-west Sri Lanka, Community Ecology Vol. 18 No. 2, 175-183
Alwis N., Perera P. K. P. and Dayawansa P. N. (2016) The Response of Tropical Avifauna to Visitor Recreational Disturbances: A Case from the Sinharaja World Heritage Forest, Sri Lanka Journal of Avifaunal Research Vol. 3 No. 3
Jayarathne, C, Perera P. K. P. and Dayawansa P. N. (2015) A Preliminary study of behaviour of Rusty Spotted cat Prionailurus rubiginosus in captivity Wildlanka Vol. 3 (1) pp 1-11
Surathissa D.M. and Dayawansa P. N. (2013) University Museums in Sri Lanka
University Museums and Collections (UMAC) Journal pp 67-69
V.A. Kulasena, R.P.V.J. Rajapakse J.P. Dubey, P.N. Dayawansa, and S. Premawansa (2011) Seroprevalence of Toxoplasma gondii in Cats from Colombo, Sri Lanka Journal of Parasitology Vol.97(1)
Two new species of Lankascincus (Squamata: Sincidae) from Sri Pada sanctuary, Sri Lanka. Mendis-Wickramasinghe L. J., Rodrigo R., Dayawansa N. and Jayantha U L D (2007) Zootaxa 1612, 1-24.
Wijesinghe, Mayuri R. and Dayawansa, P. N. (2002). The amphibian fauna at two altitudes in the Sinharaja rainforest, Sri Lanka. Herpetological Journal, UK Vol. 12, pp 175-178
Weerakoon, D. K., Goonathilake, W. L. D. P. T. S. de A., Dayawansa, P. N. and Wijesinghe Mayuri R. (1999) List of Threatened Fauna of Sri Lanka. In. The 1999 List of Threatened Fauna & flora of Sri Lanka, IUCN, Colombo, Sri Lanka pp 9-69.
Bopitiya, D, Dayawansa, P. N. and Kotagama, S. W. (1998) The Impact of Domestic Cattle and Buffalo on the Status of the Bundala National Park In. Irrigation Water Management and the Bundala National Park. Eds. Matsuno, Y, Hoek, W. and Ranawaka, M. International Watershed Management Institute pp 21-24.
Wijesinghe, Mayuri R. and Dayawansa, P. N. (1998) A New Anti-predatory Behaviour Strategy in Stilts Suggestive of Adaptive Evolution. Journal of South Asian Natural History Vol. 3 No. 2.
Siriwardhane, M., Dayawansa, N., Fernando, P, Perera, R. and Kotagama, S. W. (1995) Fauna of Madu Ganga Islets Bulletin of Oriental Bird Club, UK .
Fernando, P. and Dayawansa, P. N. (1994) Description of the Larval Stages and Notes on the Reproduction of Polypedates longinasus (Ahl, 1927) (Amphibia, Rhacophoridae) Journal of South Asian Natural History Vol. 1 No. 2.
Fernando, P., Dayawansa, P. N. and Siriwardena, M. (1994) A New Toad Species (Bufo kotagami) from Sinharaja Man and Biosphere Reserve, A Tropical Rain Forest in Sri Lanka Journal of South Asian Natural History Vol. 1 No. 1.