Otters: Ecology, Behaviour and Conservation

摘要: 1. Otter ecology and its background 2. Pen-pictures. Thirteen otters of the world: some natural history 3. Evolutionary relationships, questions methods otter 4. Habitats 5. Groups loners: social organization 6. Scent-marking interactions: behaviour 7. Diets 8. Resources: about fish other prey 9. Otters fishing: hunting strategies 10. Thermo- insulation: a limiting factor 11. Populations, recruitment competition 12. Survival mortality 13. Syntheses: challenges to survival 14. Otters, people conservation