1. Pimm, S. L. et al. The future of biodiversity. Science 269 , 347–350 (1995).
2. Johnson, T. H. & Stattersfield, A. J. Aglobal review of island endemic birds. Ibis 132, 167– 180 (1990).
3. Collar, N. J., Crosby, M. J. & Stattersfield, A. J. Birds to Watch 2 (Smithsonian Institution Press, Washington, D.C., (1994).
4. Pimm, S. L. The Balance of Nature? (University of Chicago Press, Chicago, ( 1991).
5. Stattersfield, A. J. et al. Endemic Bird Areas of the World (Smithsonian Institution Press, Washington, DC, (1998).