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Research Project on Idaho Wolverines and Winter Recreation Funded by Round River Conservation and USFS Gulogulo

Learn about wolverines in central Idaho, the largest land-dwelling member of the weasel family, with distinct white markings. Discover their primary food sources and where they are found, based on winter 2010 research overlapping winter home ranges. Understand wolverine mating habits, gestation periods, and reproduction rates. Dive into the use of hair snares to capture DNA and explore a day in the life of a technician working on this research project.

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Research Project on Idaho Wolverines and Winter Recreation Funded by Round River Conservation and USFS Gulogulo

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  1. Central Idaho Wolverine and Winter Recreation Research Project Funded By Round River Conservation and USFS

  2. GuloguloThe largest land dwelling member of the weasel family -Animals have distinct white markings on body which act as a fingerprint unique to each individual. -An adult can be over 40” long and weigh from 20 to 50 lbs.

  3. Primary Food Sources Carrion: The decaying carcass of a dead animal (caro = meat) • Skunk • Beaver • Follow Your Nose • A strong sense of smell leads them to dig holes in the snow to find food sources • This animal is feeding on a piece of road kill elk hind quarter

  4. Where are Wolverines Found?

  5. Idaho has Southern Most Range

  6. Winter 2010 Research

  7. Winter recreation overlapping winter home ranges of three known pairs of wolverines • All s females prepared den sites • F3 showed more movement than F1 and F2 • F3 showed viable reproductively • F2 showed viable reproductively, lower rate • F1 showed no viable reproductively, however den site was prepared

  8. Mating • Occurs in Summer • Implantation of embryo is stayed until early winter • Gestation period is 30 – 50 days • 2-3 Kits are born in spring • Females will often not produce young if food is scarce

  9. Hair Snares Capture DNA

  10. One animals range over a 42 day period

  11. Other Visitors to Trap Sites

  12. More Gulos

  13. More Gulos

  14. A day in the life of a technician

  15. Questions?

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