About 18 percent of some greater sage grouse populations — a biologically meaningful amount — leave protected core-area zones in winter, University of Wyoming researchers report.
winter concentration areas
Wyoming team recommends Gov. Mead revise greater sage grouse conservation protections, to prohibit drilling in winter concentration areas.
Wyoming will let the BLM, not the state, govern development of a gas field that’s home to 2,000 wintering grouse, a state adviser said last week.