Video shows the four siblings learning to climb trees with their mother at Woburn Safari Park.
A 'well-put-together bear': Orphaned cub from Greenfield grows up
Baby bears leave the den
Bears take a ride on swan pedalo at Woburn Safari Park - BBC News
Bear cubs venture out of their den for the first time at Woburn
Baby bears leave the den
Four North American black bear cubs emerge from den for first time
WWM0 - Collectors Edition by woopwoopmagazine - Issuu
Black bear cubs take first steps out of Woburn Safari Park den
WWM0 - Collectors Edition by woopwoopmagazine - Issuu
Woburn's black bear cubs take first steps out of den - BBC News
Baby bears venture out of their den
Black bear gets too close to man in his garden in North Carolina
A 'well-put-together bear': Orphaned cub from Greenfield grows up
Woburn's black bear cubs take first steps out of den - BBC News
Watch the bear cubs take their first steps in the Road Safari