Cornell University Museum of Vertebrates Educational and research resource with sections on ichthyology, herpetology, ornithology and mammalogy. http://cumv.bio.cornell.edu/
Museum of Vertebrate Zoology Provides specimen data and archival materials from the collections of the University of California, Berkeley. http://elib.cs.berkeley.edu/mvz/
Museum of Vertebrate Zoology Collections Searchable database of specimens that includes over 50,000 tissue samples for use in molecular analyses. http://www.mip.berkeley.edu/mvz/collections/
Society for Northwestern Vertebrate Biology Devoted to the study of terrestrial vertebrates in the Pacific northwest. Offers publications and reference data. http://www.snwvb.org/
Will's Skull Page Features images and measurements of mammalian skulls as well as updates and related links. http://www.skullsite.co.uk/
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