Bird Ecology Study Group, Nature Society: Postings of any aspects of bird behavior and the interdependency of birds and plants.Birds of Sungei Buloh Nature Park, Singapore: Fact sheets of birds found in the mangroves and wetlands of Sungei Buloh Nature Park, including habits, description, calls, distribution, status in Singapore, threats, photos, and links.Ding's Homepage: Trip reports for birdwatching in southeast Asia, picture galleries of bird illustrations and other wildlife drawings, and travel photographs.WildbirdSingapore: E-mail group of the Singapore Bird Group of the Nature Society.