Vattala H.D.V.S. and Kotagama S.W, (1990). Some aspects of ecology and
biology of shama (Copsychus malabaricus) in the Wasgomuwa national park.
Proc. 46(I); pp120.
Hewavisenthi S. and Kotagama S.W. (1990 ). Relationship between the hatching
success and clutch size of olive ridley turtles from a turtle hatchery. Proc. 46(1);
pp 92.
Vattale H.D.V.S. and Kotagama S.W. ( 1990 ). Mist netting of birds in four
different habitats in the Wasgamuwa National Park. Proc. 46(i); pp 119
Dissanayake S.R.B. and Kotagama S.W. ( 1990 ). Avifauna in Madura oya
National Park. Proc. 46(I); pp 121.
Hewavisenthi S. and Kotagama S.W. ( 1989 ). Biometrics of marine turtles
nesting along the south eastern coast line of Sri Lanka.Proc. 45 (I); pp77.
Hewavisenthi, S. and S.W.Kotagama., ( 1989 ). Carapace scute variation in
olive ridley (Lepidochel olivacea) hatchlings from a turtle hatchery in Sri
Lanka.Proc. 45(I); pp 75-76.
Janson M.A.B.,Kotagama S.W.,Subasinghe R.P. and Karunaratne P.B. (1986 )
Species composition and diversity of bird communities in dry zone habitats.
Kotagama S.W. and Dunnet G.M. (1986 ). Feeding ecology of the rose ringed
parakeet (Psittacula kramerii) in Polonnaruwa.
Kotagama S.W.,Karunaratne, P.B.,de Zoysa N.D., and Weerakoon D. (1986)
Faunal studies in the Sinharaja rain forest – composition of the vertebrate fauna.
Kotagama S.W.,Karunaratne P.B.,Nadaraja A.,de Zoysa N.D. and Kulasekera V.
(1986 ). Faunal studies in the Sinharaja rain forest – composition and diversity of
small mammal fauna.
Kotagama S.W.,Karunaratne P.B.,Ratnayake A and de Zoysa N.D. (1986)
Faunal studies in Sinharaja rain forest – study of mixed species for aging bird
flocks
Kotagama S.W. and Dunnet G.M. (1986 ). Estimation of damage or loss of
paddy to rose ringed parakeet (Psittacula kramerii) at Polonnaruwa
Kotagama S.W. and Thambiah C.R.( 1986 ). Ecology, status and biology of the
avifauna at Sinharaja rain forest – analysis of daily tally records.
Kotagama S.W. and Thambiah C.R. (1986 ). Ecology, status and biology of
avifauna at Sinharaja rain forest – analysis of bird ringing.
Molagoda S.,Kotagama S.W.,de Alwis W.L.E.D. and Jayasinghe R.G. ( 1986 )
Ecology of Udawalawe National Park – preferential use of habitats by buffalo and
elephant.
Molagoda S.,Kotagama S.W.,de Alwis W.L.E. D and Jayasinghe R.G. ( 1986 )
Ecology of the Udawalawe National Park, temporal changes in land-use pattern.
Kotagama S.W.( 1986). Breeding birds at Kumana villu.
Kotagama S.W. and Dunnet G.M. ( 1986 ). Behavioural activities of the rose
ringed parakeet (Psittacula kramerii) in the wild at Polonnaruwa, description and
seasonality of behaviours.
Kotagama S.W. and Dunnet G.M. (1986 ). Behavioural activities of rose ringed
parakeet ( Psittacula kramerii) in the wild at Polonnaruwa – significance of the
behaviours ‘debarking by females’ and ‘aggregates’.
Kotagama S.W.(1977), Clutch size of night herons (Nycticorax nycticorax)
breeding at the National Zoological Gardens, Dehiwela.