This April 10, 2014, file photo, shows a male sage grouse trying to impress a group of hens, at left, near the base of the Rattlesnake Range in Wyoming. (Alan Rogers/The Casper Star-Tribune via AP File)

Sage grouse numbers decline in Idaho since decision not to make birds an endangered species

It's not yet clear whether the three-year decline is part of a cyclical pattern or indicative of a more serious issue

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