The survival rate for young bear cubs of all species is low considering all the dangers they face in their young lives. Besides the quest for food and natural hazards, male bears will kill cubs in hope of mating with the mothers. Lions do the same. Since black bear populations are on the rise for that to happen the litter size would have to grow bigger too I would think.

  Great video and a reminder that just becasue you don't see them, it doesn't mean they don't see/smell you.