Home Country Guides: Books, links and trip reports whale and dolphin watchingFocus on Australia Mammal watching: Some tipsWorldwide Mammal Info: Books and links with a global coverage Mammal Watching Blog: Read and Subscribeme and my mammal watching

I haven't been to Indonesia.

Other People's trip reports
Indonesia (Java and Sumatra) 2001: Susan Myers, 2 weeks and 7 mammals.