Devoted to the study of terrestrial vertebrates in the Pacific northwest. Offers publications and reference data.

Features images and measurements of mammalian skulls as well as updates and related links.

Uses infrared photography to show the differences between warm and cold blooded animals.

Educational and research resource with sections on ichthyology, herpetology, ornithology and mammalogy.

Provides specimen data and archival materials from the collections of the University of California, Berkeley.

Searchable database of specimens that includes over 50,000 tissue samples for use in molecular analyses.