By A Mystery Man Writer
Video shows the four siblings learning to climb trees with their mother at Woburn Safari Park.
NEWBORN BEAR CUBS IN THE DEN
Woburn's black bear cubs take first steps out of den - BBC News
The birth of four North American black bear cubs caught on camera
Adorable baby black bear cubs make first appearance at Woburn
Black bear gets too close to man in his garden in North Carolina - BBC
Woburn's black bear cubs take first steps out of den - BBC News
Adorably fluffy — and rare — triplets make debut at Florida zoo
Woburn's black bear cubs take first steps out of den
Black bear cubs take first steps out of Woburn Safari Park den
Watch the bear cubs take their first steps in the Road Safari