workers, we hope that zoo keepers, laboratory researchers and technicians, veterinarians, conservationists, eco-tourism managers, educators and students now will be able to widen and deepen the scope of their activities by making use of the descriptions and audio-visual images in this volume. We hope that laypersons also will find this an enjoyable read at home on the sofa! The team of authors began to use videography in 1999 and launched this editing project in 2003, and we have invested most of our time in it over the last 3 years. After much time and effort spent, the result is perhaps the first attempt to compile a comprehensive ethogram of a single species of mammal. This is a cooperative product in the truest sense of the word. If any