1. Overexploitation and species extinctions;AM Rosser,2002
2. Rarity Value and Species Extinction: The Anthropogenic Allee Effect;F Courchamp,2006
3. The trade in bear parts from Myanmar: an illustration of the ineffectiveness of enforcement of international wildlife trade regulations;CR Shepherd,2008
4. CITES (1979) Convention on International Trade in Endangered Species of Wild Fauna and Flaura. Available: http://www.cites.org/eng/disc/E-Text.pdf. Accessed 2012 February 6.
5. Birdlife International (2008a) State of the World’s Birds: Indicators for Our Changing World. Cambridge, UK: Birdlife International.