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Image of Common American Muskrat
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Common American Muskrat

Ondatra zibethicus (Linnaeus 1766)

    basal metabolic rate

  • 4.363 watts
  • body mass

  • 976.3 g
  • body temperature

  • 310.55 kelvin
  • clutch/brood/litter size

  • 6.7
  • growth rate

  • 0.0323 /day
  • inter-birth interval

  • 30 days
  • litters per year

  • 2.7 /year
  • mass

  • 152.1 g
    (weanling)
  • 22.72 g
    (neonate)
  • 1362 g
    (adult)
  • onset of fertility

  • 285 days
    (female)
  • 285 days
    (male)
  • prenatal development duration

  • 26 days
  • weaning age

  • 25 days