News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Ryan M. Leahy |   Mama Bear A tagged female black bear roams in the Yosemite National Park forest. Her well-camouflaged cub is climbing a tree in the upper left quadrant of the photo. The bears of Yosemite usually give birth in late March or early April, and the cubs spend around eight weeks nursing in the den before emerging above ground. | Discovery News Video   « back to article

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