Biodiversity Heritage Library (BHL)
A consortium of natural history and botanical libraries cooperate to digitize and make available the information in their collections.
A collection of pictures and information about animals. The site includes information on distributions, natural history, conservation, and economic importance.
This site is maintained jointly by the Cornell Laboratory of Ornithology and the National Audubon Society. It includes information on bird distribution, migration, and range expansion/contraction. Select data sets by type of bird.
A directory of insect information and product sources, Species are listed alphabetically. The user can also find links to insect control, research, identification, hobbies, and pests found in crops, forests, gardens, homes, and lawns.
Taxonomic and geographical information on living reptiles (snakes, lizards, amphibians and crocodiles) around the world. Includes some outside links to further information and pictures.