The U.S. Fish and Wildlife and National Forest Services are headed back to the drawing board after a federal appeals court ruled that the authorization to kill up to 72 grizzly bears, including females, on public lands near Yellowstone National Park violated federal law. Andrea Zaccardi - carnivore conservation program legal director with the Center for Biological Diversity - said grizzlies have one of the lowest reproduction rates of all mammals, and the survival of females is critical for the bears' recovery. ...