Fihser Martes pennanti

Description (Fur)

  • light/dark brown
  • Black tail and legs
  • Some have white fur on their belly
  • Does not undergo seasonal color change

Description

  • Weight 2-7 kilos( 4-15 lbs)
  • Some individuals have a cream-colored patch on the chest
  • Long, thick, bushy tail
  • Can live up to 10 years
  • 12-16 inch tail

Description (Head)

  • Short muzzle
  • Round ears on the sides of its head
  • Mouth= 38 teeth, has four sharp canine teeth and flat topped molars to aid in chewing

Adaptations

  • Long, stronger body= can move under the bushes faster (it’s prey lives in bushes)
  • Brown color=blend with the surrounding
  • Larger paws and fur between toes so it can move in snow easier

Reproduction

  • March and April
  • Female gives birth in 10-11 months after mating
  • 3-6 babies
  • Babies are blind and deaf at birth
  • Babies are partially furred
  • It takes about 53 days for babies to completely open their eyes
  • Babies stay with mom for 150 days
  • Males do not help to raise the babies

Reproduction

  • Breed once a year
  • Females can breed when they are 1 year old
  • Males are not able to breed until they are 2 years old
  • Breed again in 10 days after giving birth
  • Have the “delayed implantation”
  • For several months the young exist as embryos
  • Two months before giving birth, the embryos start developing into fetuses

Diet

  • Mostly carnivorous animal
  • Eats insects,berries and nuts when meat is not available
  • Hunts for animals mostly smaller size that it
  • Shrew, snowshoe hares, rabbits, squirrels

Diet

  • It is famous for hunting porcupines
  • Attacks the face so it cannot defend itself
  • It eats the organs and leaves the meat and the bones as food for couple of next days
  • Not always wins the battle, sometimes seriously injured

Diet

  • Fishers are also known to eat ground nesting birds
  • Despite its name, it rarely eats fish
  • Usually waits for the right moment to attack in one place instead of running after prey
  • Predators that eat fishers: black bears, bobcats, and great horned owls (usually kill young ones)

Habitat, Ecosystem

  • Coniferous and mixed forests
  • Avoid opened areas
  • Hollow trees

Interesting facts

  • They are known for eating cats and small dogs
  • They hiss and growl when upset

Sources

  • https://www.sciencedaily.com/terms/fisher_(animal).htm
  • http://www.esf.edu/aec/adks/mammals/fisher.htm
  • http://www.dnr.state.mn.us/mammals/fisher.html
  • http://bioweb.uwlax.edu/bio203/s2008/gries_jaso/Habitat.htm

Any questions?

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