ACKNOWLEDGEMENT

All data compilation work and travel were funded by the Ministry of Science, Technology and Environment Malaysia, Universiti Malaysia Sabah, and University of Aberdeen, UK. I extend my gratitude to members of the Malaysian Marine Mammals and Whale Shark Working Group who are a source of great ideas and help on research and conservation on marine mammals in Malaysia. My special thanks to James Bali (Sarawak Forest Department), Shamsir Gandiok, Yuhana Ubong Lah-Anyi, the Royal Malaysian Navy, Royal Malaysian Air Force, Layang-Layang Island Resort and Borneo Divers & Sea Sports Sabah for allowing me to access their marine mammal sighting or specimen data and photographs. Gratefully thanks to Graham Pierce (University of Aberdeen, UK), Robert Brownell (Southwest Fisheries Science Center, USA) and two anonymous reviewers for comments on earlier draft of the manuscript.