Group wants wolves in Colo. An environmental group wants to see wolves back in Colorado. WildEarth Guardians of Sante Fe, N.M., has filed papers with the U.S. Fish and Wildlife Service calling for wolf reintroduction in four Colorado areas. After being exterminated throughout the West decades ago, wolves have been reintroduced to Montana, Wyoming and Idaho. WildEarth Guardians believes Colorado should come next. The group argues that wolves would help thin overpopulated elk herds, which would then lead to more young aspen trees. "We believe that the Southern Rockies needs wolves, and wolves definitely need the Southern Rockies," said Rob Edward, carnivore recovery director for WildEarth Guardians, which also has offices in Denver and Phoenix. Edward told the Aspen Daily News that while solitary wolves from the north and from New Mexico wander into Colorado, no sustainable wolf population is believed to have re-established itself within the state. The group's proposal identifies four Colorado areas for wolf reintroduction -- the Flat Tops north of Glenwood Springs, the Grand Mesa-Uncompahgre-Gunnison national forests near Pitkin County's western border, the San Juan Mountains and Weminuche Wilderness in southwestern Colorado, and southern Colorado's Vermejo Park Ranch and Carson National Forest....