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 wildlife arctic habitat ice floes eurasia marine mammal natural behavior environment freezing temperatures arctic ecosystem snow cold climate wildlife conservation polar environment bear behavior native fauna icy landscape arctic region sea ice habitat loss endangered species arctic exploration fauna survival exploration climate change biodiversity arctic wildlife nature animal behavior solitary animal predator arctic tundra ice habitat seasonal changes natural world north pole ecosystem ice formations marine ecosystem wildlife tracking animal conservation northern hemisphere arctic fauna nature conservation wildlife protection animal tracking