A bear mother and her four cubs have been spotted playing and wrestling on a frozen lake in an adorable new video.<br /><br />The North American black bears at Woburn Safari Park in Bedfordshire, UK, enjoyed a day of ice skating after a recent cold snap caused the lake in their enclosure to freeze over.<br /><br />Mum Phoenix and her four cubs were seen sniffing at the ice, sliding on their stomachs, and even having a wrestle on the slippery surface.
