Published Aug 26, 2003 6:45 am : Updated Jan 31, 2009 4:52 pm
Some bears at Yosemite National Park are being fitted with a new device that will alert park rangers whenever the animals lumber into popular parking or camping spots.
The radio collars emit signals that notify rangers, who then shoo the animals away.
This post was last modified on 01/31/2009 4:52 pm