the rodents

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The Rodents ORDER RODENTIA

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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 - PowerPoint PPT Presentation

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Page 1: The Rodents

The RodentsORDER RODENTIA

Page 2: The Rodents

Teeth • Incisors• Diastema• Molars• Malocclusion

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Nocturnal

Whiskers

Prolific breedersPestsFood source

Porcupette 1/year

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History Vermin control $ Diseases

Bubonic plague Typhus Hanta fever

Scientific research Food Fur trade items

Allegheny Wood Rat – endangered species of rodent in PA

Page 5: The Rodents

and MuskratsPARTNER SPECIES S

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Page 7: The Rodents

Mink (Mustela vison)

• Mustelidae family• Semi-aquatic

Hearing

Sight

Smell

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

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

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Young

Delayed implantation2-7 young3 ½” long blind, hairless2 weeks, furred5 weeks eyes open6-7 weeks forage & learn to hunt w/ mom

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Muskrats (Ondatra zibethica)

• Musk• Rodent• #1 Furbearer in

USA• Nicknames

• Marsh hare • Musk beaver

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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

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Diet - herbivores• aquatic plants• legumes,’• grasses,• grains,• garden crops• animal protein

crayfishmusselsfishfrogscarrionmuskrat carcasses

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Lodges

8-10 feet across2-3 feet high

Marshland channelsHabitat changeKeystone species

Underwater entranceRooms above water levelSeveral rooms/tunnelsAir vent central room

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Young

Large litters Stable population Up to 4 litters/year Musk trails

• 5-8• Blind• Furless• Weaned & fully furred 1 month

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Predators

#1 Predator – Mink Foxes Great-horned owl Hawks Snapping turtles