This online encyclopedia covers all aspects of insect anatomy, physiology, evolution, behavior, reproduction, ecology, and disease, as well as issues of exploitation, conservation, and management.
Entries in this online encyclopedia give a systematic account of every bird family, covering their form and function, distribution, diet, social behaviour, and breeding biology.
This encyclopedia covers the behaviour, diet, distribution, and evolution of every known living mammal in the world and includes illustrations throughout with photographs and original artwork.