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Canada Lynx Dens Found in Minnesota
Midwest Region, July 1, 2004
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Canada lynx researchers at the University of Minnesota-Duluth, in cooperation with the U.S. Forest Service and U.S. Fish and Wildlife Service, have located three lynx dens in Minnesota in 2004 by tracking the movements of radio-collared females. These three dens, containing a total of 11 kittens, may be the first ever documented in Minnesota. Lynx have likely denned in Minnesota in the past and some of these dens may have been found accidentally by humans without being reported. The ability to track female lynx wearing radio-collars, however, allows for the location of these dens. Each den was well hidden and located in an area where accidental discovery by humans was very unlikely. Twin Cities ES Field Office Biologist Phil Delphey assisted researchers with ear-tagging, weighing, measuring and sexing the 4-5 week-old kittens at two of the den sites. The third den was discovered too late to work with the kittens. At 4-5 weeks of age, lynx kittens may be captured readily and are likely to retain their ear tags. The kittens remain with their mother for about one year. Later this year, UMD researchers will attempt to recapture surviving kittens to fit them with radio-collars. Information obtained from the den visits and future observations of the kittens will help researchers and managers better understand kitten survival, a key component of the ecology of this federally threatened species.

Contact Info: Midwest Region Public Affairs, 612-713-5313, charles_traxler@fws.gov



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