Posted by: Caileigh Robertson, Communications We’re capping off the year with yet another significant birth: an endangered sloth bear . Born Dec. 18, the tiny cub is off view with its mom, 7-year-old Tasha, in a behind-the-scenes maternity den. Dad, 16-year-old Randy, is staying in his own den right now, giving mom and cub their space to bond, which is a typical family structure for sloth bears. This screen capture from the internal web cam was taken just moments after the birth of the cub. The tiny size is normal, with an average birth weight for sloth bears at 10.5-17.5 ounces (300-500 g). Photo by Woodland Park Zoo. To minimize any disturbance to the family, zookeepers are keeping their distance, monitoring the new family via an internal web cam to keep their eye on things and make sure the cub continues to nurse and bond with mom. This is Tasha’s first cub, but her motherly instincts kicked in immediately. Right after the birth, she built two large mounds of hay in the