1. Birt P. (2005) National Population Assessment, Grey-headed Flying-foxes Pteropus poliocephalus, 21 and 22 May 2005. A report to Department of Environment and Heritage, Queensland Parks and Wildlife Service, New South Wales Department Environment and Conservation and Victorian Department Sustainability and Environment.
2. Botanic Gardens Trust (2008) Questions & Answers about the Grey-headed Flying-foxes at the Royal Botanic Gardens. Available from URL: http://www.rbgsyd.nsw.gov.au/welcome_to_bgt/royal_botanic_gardens/garden_features/wildlife/flying-foxes/questions_and_answers.
3. Commonwealth of Australia (2005) Background Paper to the Wildlife Conservation Plan for Migratory Shorebirds. Available from URL: http://www.deh.gov.au/biodiversity/migratory/waterbirds/shorebird-plan/index.html.
4. The Tongan flying-fox Pteropus tonganus: status, public attitudes and conservation in the Cook Islands;Cousins;Oryx,2005