Last Updated: Thursday, 21 February 2008, 18:20 GMT
"Some 1,500 grey wolves now roam Idaho, Montana and Wyoming(Image: WWF-Canon/Chris Martin Bahr)Grey wolves in the Northern Rockies of the United States have been removed from the endangered species list, the US Department of the Interior has said. They became a protected species in the US after they were nearly hunted to extinction. The removal of protection means they can be hunted again. Environmental groups have said they will sue the federal government to keep the animal listed...."