Adult male polar bear (Ursus maritimus) on multi-year ice floes in Franz Josef Land, Russia, Arctic Ocean, Eurasia

polar bear ursus maritimus adult male arctic ocean ice floes wildlife arctic habitat eurasia cold environment nature animal behavior polar ecosystem sea ice marine mammals arctic wildlife icy landscape arctic tundra conservation habitat preservation climate change exploration animal adaptation arctic research bear tracking pristine environment natural behavior ecological balance polar regions biodiversity ice habitats animal movements wildlife protection habitat loss northern hemisphere arctic adventure animal kingdom environmental studies native species animal interaction ice covered arctic exploration wildlife encounters wilderness natural habitat winter environment arctic regions remote landscapes wildlife observation natural wonders snowy terrain