Contains definitions of terminology used in subdisciplines of entomology like insect systematics and taxonomy, biology, ecology, morphology, insect toxicology and physiology, economic entomology and pest management...

"Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan...

"Provides a wide range of scientific, historical and cultural information about the animal world...

"This guide presents extensive data on the habitats and ecosystems of more than 1,200 species identified as endangered or threatened by the US Fish and Wildlife service...

Consists of indexed, abstracted, and full text records describing the nature and habitat of familiar animals, with some images available as well...

Contains entries on "insect classification, behavior, ecology, genetics and evolution, physiology, and management, and references to relevant literature...

Aims to become a comprehensive, authenticated source of information about the world’s biodiversity freely available over the Internet...

"Covers the behaviour, diet, distribution, and evolution of every known living mammal in the world in clear, accessible language, and is superbly illustrated throughout with photographs and original artwork...

"A completely revised and updated version of the original work published in Germany in 1960, this edition incorporates recent developments in the animal world as noted by prominent advisors and contributors from the scientific community...

Contains descriptions of more than 2,500 endangered species, habitats, and ecosystems in this unique guide to little-known, protected sites across the United States...

Provides "a systematic account of every family, covering their form and function, distribution, diet, social behaviour, and breeding biology...

Illustrated overview of reptiles and amphibians...