Martes pennanti is a specialized forest carnivore.
Fishers eat rabbits and hares, especially snowshoe hares, rodents, shrews, birds, fruits, and carrion. Prey on ground surface and in trees. Martes pennanti prefers continous forests, but they are also found in conifer and hardwood forests. Narrative - Written by Cynthia Rhines, Bio108 student from the University of Michigan. Center for Biological Diversity - Fisher page.