Martes pennanti (New Window)
Information on the fisher from the University of Michigan's Animal Diversity Web. This site includes information about range, physical characteristics, natural history and some pictures of a skull in the media section.
Genus Martes Information- Fisher (New Window)
Picture of a fisher on this site that discusses the genus Martes. (Follow the link to Martes Pennanti).
Status Review of Sierra Nevada Population (New Window)
Status review of the southern Sierra Nevada population of the fisher (Martes pennanti) from the Center for Biological Diversity Sierra Nevada Forest Protection Campaign.
Carnivores: Fisher (New Window)
Information about fisher status, ecology and distribution.