Research Interest: 

      	Bird ecology and behaviour 
   	Conservation biology
      	Ecotourism 
             

Statutory Appointments
	Board Member- Central Environmental Authority
	Board Member – Sri Lanka Foundation Institute 
 

Professional  Affiliations:
                Technical Advisor: Important Bird Areas Programme Asia, BirdLife Asia Council, Japan

National Contributions

	Author, Strategy for the Preperation of A Biodivesity Ation Plan for Sri         Lanka.Ministry of Transport, Environment & Women’s Affairs. 1994
	Settlor, Wildlife Trust of Sri Lanka, Sri Lanka, 1992
	Author, National Wildlife Policy of Sri Lanka – 1990 Department of Wildlife Conservation, Government of Sri LankaSector Author, Environmental Education National Conservation Strategy - 1988, Government of  Sri Lanka

 
International affiliations and contributions  

• Vice President, BirdLife Asia Council, BirdLife International, Cambridge, 2000
  
•    National Coordination, Asian Wetland Survey - World Wide Fund for Nature (WWF)/World Conservation Union (IUCN) - 1987-1988.
  
•    National Representative, Oriential Bird Club - United Kingdom - 1987 onwards.
  
•    National Co-ordinator, ASIAN RED DATA PROGRAMME.BirdLife Internationl/ BirdLife Asia Council. 1994 - 1998.
                        

Books 

• Kotagama S.W.,PARISARAYA HANDIVIMAK (INTRODUCTION TO ECOLOGY) (IN SINHALA) Pubudu Prakasakayo, pp 85.
  
• Arudpragasam K.D., Kotalawala I. and Kotagama S.W.,A CHECK LIST OF THE MAMMALS OF SRI LANKAUNESCO, Man and Biosphere National Committee of Sri Lanka, Publication No.9, NARESA.
  

• Kotagama S.W., Arudpragama K.D. and Kotalawala I.,A CHECK LIST OF AMPHIBIA OF SRI LANKA UNESCO, Man and Biosphere National Committee of Sri Lanka, Publication No.10, NARESA.

Contributions to Asian Wetrland Directory – Sri Lanka Wetlands (41)

Scott D. A. (ed) A directory of Asian Wetlands, IUCN Gland, Switzerland and Cambridge, UK. Pp 583 –634 (1983)

	Wijesinghe, L C A de S, IAUN Gunatilleke, SDG Jayawardene, SW Kotagama, CVS Goonetilleke BIOLOGICAL CONSERVATION OF SRI LANKA – A National Status Report . NARESA (1989)  2nd Edition (1993)
	Kotagama S. W.  (Consultant & Author) Strategy for the preparation of Biodiversity action Plan for Sri Lanka, Environment Division, Ministry of Transport , Envirionment & Womes Affairs  (Oct 1994)
	Kotagama SW Practice what you preach: A lesion for sustainable Living. Published in Dutch language in the book Het Verhaal Aarde (1992) In America the Sick Earth (1993), Also to be Published in Japan & Germany.