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Some mammals have the extraordinary ability of surviving in intensely cold environments. From frozen seas to snowcapped mountains, specialised and hardy mammals have found many ways of flourishing in the coldest places on earth.

Have you played the brand newÌýMammals, Dark,ÌýThe New WildÌý²¹²Ô»å WaterÌý±ç³Ü¾±³ú³ú±ð²õ?

Check out all the latest animal and nature quizzes, clips and more from across the ´óÏó´«Ã½ on ourÌýNature on C´óÏó´«Ã½ page!

Don't miss brand-new episodes of Sir David Attenborough'sÌýMammals on ´óÏó´«Ã½ One at 7pmÌýevery SundayÌý²¹²Ô»å catch up on ´óÏó´«Ã½ iPlayer!