Greater Sage Grouse Population has Declined by More than Half, 2007-2013: Pew Study

Greater Sage Grouse Population Dynamics and Probability of Persistence
Pew Charitable Trusts / by Edward O. Garton, et al.

[From Press Release] A new study of the greater sage-grouse’s population finds that the bird’s numbers decreased 56 percent between 2007 and 2013. The research, commissioned by The Pew Charitable Trusts and conducted by Edward (Oz) Garton, Ph.D., professor emeritus in wildlife ecology and statistics at the University of Idaho, is the most recent comprehensive population update to Garton’s seminal greater sage-grouse research of 2011…

“This report provides definitive evidence about the fragile state of the greater sage-grouse, an indicator species for the health of the interior West’s sagebrush region—where hundreds of other wildlife and plant species also live,” said Ken Rait, director of Pew’s U.S. public lands project…


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