- Additional information
The Fisher Martes or Pekania pennanti males and females look similar. Adult males are 35 to 47 in. long and weigh 8 to 13 lb. Adult females are 30 to 37 in. long and weigh 4 to 6 lb.
The fur of the fisher varies seasonally, being denser and glossier in the winter. During the summer, the color becomes more mottled, as the fur goes through a molting cycle.
The Fisher Martes or Pekania pennanti prefers to hunt in full forests. They are an agile climber, it spends most of its time on the forest floor, where it prefers to forage around fallen trees. An omnivore, the fisher feeds on a wide variety of small animals, fruits and mushrooms.
It prefers the snowshoe hare and is one of the few animals able to prey successfully on porcupines. Despite its common name, it rarely eats fish.
The Fisher Martes or Pekania pennanti have five toes on each foot, with unsheathed, retractable claws. Their feet are large, making it easier for them to move on top of snow packs.
They have four central pads on each foot. On the hind paws are coarse hairs that grow between the pads and the toes, giving them added traction when walking on slippery surfaces.
The Fisher Martes or Pekania pennanti have highly mobile ankle joints that can rotate their hind paws almost 180 degrees, allowing them to maneuver well in trees and climb down head-first.
The fisher is one of relatively few mammalian species with the ability to descend trees head-first.
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