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The Rodents

The Rodents. Order Rodentia. Teeth. Incisors Diastema Molars Malocclusion. Nocturnal. Whiskers. Porcupette 1/year. Prolific breeders Pests Food source. History. Vermin control $ Diseases Bubonic plague Typhus Hanta fever. Scientific research Food Fur trade items

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The Rodents

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  1. The Rodents Order Rodentia

  2. Teeth • Incisors • Diastema • Molars • Malocclusion

  3. Nocturnal Whiskers Porcupette 1/year Prolific breeders Pests Food source

  4. History • Vermin control $ • Diseases • Bubonic plague • Typhus • Hanta fever • Scientific research • Food • Fur trade items • Allegheny Wood Rat – • endangered species of rodent in PA

  5. and Muskrats S Partner species

  6. Mink (Mustelavison) • Mustelidae family • Semi-aquatic Hearing Sight Smell

  7. Predator - opportunistic feeder • Muskrats • Mice • Rabbits • Shrews • Fish • Frogs • Crayfish • Insects • Snakes • Waterfowl • Birds • Eggs • Domestic poultry

  8. Dens • Woodchuck tunnels • Hollow logs • Vacant muskrat lodges • Stone piles • Large tree roots • Near water • More than one entrance

  9. Young Delayed implantation 2-7 young 3 ½” long blind, hairless 2 weeks, furred 5 weeks eyes open 6-7 weeks forage & learn to hunt w/ mom

  10. Muskrats (Ondatrazibethica) • Musk • Rodent • #1 Furbearer in USA • Nicknames • Marsh hare • Musk beaver

  11. Body Characteristics • Rudder, propulsion, prop • Webbed hind feet • Forefeet agile, small, claws • Underfur and guard hairs for insulation • Weigh about 3 pounds • Excellent swimmers • Hold breath 15 minutes • Special lips

  12. Diet - herbivores • aquatic plants • legumes,’ • grasses, • grains, • garden crops • animal protein • crayfish • mussels • fish • frogs • carrion • muskrat carcasses

  13. Lodges Underwater entrance Rooms above water level Several rooms/tunnels Air vent central room 8-10 feet across 2-3 feet high Marshland channels Habitat change Keystone species

  14. Young • Large litters • Stable population • Up to 4 litters/year • Musk trails • 5-8 • Blind • Furless • Weaned & fully furred 1 month

  15. Predators • #1 Predator – Mink • Foxes • Great-horned owl • Hawks • Snapping turtles

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