The most authoritative and up-to-date dictionary of its kind, the bestselling Oxford Dictionary of Zoology contains over 5,250 entries. Covering all aspects of the study of animals, it includes terms from the areas of ecology, animal behaviour, evolution, earth history, zoogeography, genetics, and physiology. It provides full taxonomic coverage of arthropods, other invertebrates, fish, reptiles, amphibians, birds, and mammals. Fully revised and updated, this third edition includes newentries from the areas of behavioural ecology and conservation biology, as well as expanded coverage of cytology and numerous new illustrations. This edition contains many entry-level recommended web links, which are accessible via the Dictionary of Zoology companion website and provide valuable extra information. Detailed appendices include information on endangered animals, the universal genetic code, the geologic time scale, and SI units. Wide-ranging and with jargon-free definitions,this dictionary is an indispensable reference tool for students and teachers of zoology, biological sciences and biomedical sciences, and a valuable resource for naturalists.