David Burnie studied zoology at the University of Bristol. After graduating, he worked as a nature reserve ranger and biologist, and in 1979 began a career writing and editing books on natural sciences. He has written, or contributed to, over 75 books and multimedia titles. He has also acted as a consultant and scriptwriter for a number of natural history television programs. Don E. Wilson is Senior Scientist at the National Museum of Natural History. He is on the scientific Board of Directors of Bat Conservation International, The Biodiversity Foundation for Africa, Integrated Conservation Research and The Ecotourism Society.