This June 2011 photo shows Grizzly bear No. 399 crossing a road in Grand Teton National Park, Wyo., with her three cubs. The bears are part of a family that's become a tourist attraction because of ... more 
This June 2011 photo shows Grizzly bear No. 399 crossing a road in Grand Teton National Park, Wyo., with her three cubs. The bears are part of a family that's become a tourist attraction because of their frequent appearances near roads. Biologists speculate this behavior keeps at bay adult male bears, which sometimes kill cubs. (AP photo/Tom Mangelsen) less 
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Associated Press
Sat, Jun 25, 2011 1:36 PM EDT