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On this page Part 1 – Federal Addition to the Management Plan for the Polar Bear (Ursus maritimus) in Canada, prepared by Environment and Climate Change Canada Preface Acknowledgments Additions and ...

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T. Gatesman, H. Wiesner, Immobilization of Polar (Thalarctos maritimus) and Brown (Ursus arctos) Bears Using Etorphine and Xylazine, The Journal of Zoo Animal Medicine, Vol. 13, No. 1 (Mar., 1982), pp ...

Ursus Maritimus Community Roar (Quietly) Over Court Ruling By Dan Slater April 30, 2008 9:40 am ET Resize ...

We assessed the role of size, mass, and age in mating and non-mating polar bears (Ursus maritimus) at Svalbard, Norway, during the spring breeding season. The ratio of male to female mass, in ...

Figure 1. Distribution over years of the numbers of veterinary examination reports of brown bears (Ursus arctos) (no reports were collected before 2006): in vivo (blue) and post-mortem (orange) on the ...