Wolf population at risk

Associated Press
FILE - In this Feb. 10, 2006 file photo provided by Michigan Technological University, a gray wolf is shown on Isle Royale National Park in northern Michigan. An advance copy of a wolf-tracking report obtained by AP shows the number of gray wolves at Isle Royale National Park is down to 16, the lowest number since the late 1990s, and there may be only one or two females left. (AP Photo/Michigan Technological University, John Vucetich) NO SALES

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Wolf hunting and trapping that have killed more than 500 of the predators across the Northern Rockies. Hundreds of the animals have been killed -- mostly through hunting -- less than a year after being removed from the U.S. endangered species list. Restrictions on gray wolf harvests around Yellowstone are under consideration as the state prepares to kick off its inaugural wolf trapping season on Dec. 15, 2012. Conservation groups want limits on trapping after several wolves collared by park scientists for research were shot by Montana hunters in recent weeks.

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