Male greater sage grouse perform mating rituals for a female grouse, not pictured, on a lake outside Walden, Colo., in April of 2013. A U.S. judge who earlier ruled federal wildlife officials ...

Up close, the coloration of these feathers are exquisite. This female ruffed grouse approached Bill Danielson within arm's reach and remained very calm. Had she been alarmed, she would have raised the ...

Male greater sage grouse perform mating rituals for a female grouse, not pictured, on a lake outside Walden, Colo., in April of 2013. A pair of lawsuits filed Monday target the Trump administration's ...

FILE - In this April 20, 2013 file photo, male greater sage grouse perform mating rituals for a female grouse, not pictured, on a lake outside Walden, Colo. The U.S. Forest Service said Friday, Aug. 2 ...

Hybridization is relatively common in galliforms. In many cases, these hybrids are thought to arise through failures in species recognition, but there are no documented observations of this occurring ...

In early February, Wildwoods posted an announcement on its Facebook page about the successful rehabilitation of the ruffed grouse pictured here. "Several days ago, one of our great local conservation ...

BUFFALO — On Johnson County’s most remote stretches of land, across the sagebrush sea, Greater Sage-Grouse finish the most consequential part of their day before most humans have had their coffee. As ...

Two males face off on the lek where they gather to court female grouse. (Photo courtesy of walkerphotography.smugmug.com) A female sharp-tailed grouse looks over prospective suitors. (Photo courtesy ...

FILE - In this April 20, 2013 file photo, male greater sage grouse perform mating rituals for a female grouse, not pictured, on a lake outside Walden, Colo. The Trump administration has completed a ...

Many, but not all, juvenile Spruce Grouse (Falcipennis canadensis) disperse from their natal range in autumn. In spring shortly before breeding, some of these autumn dispersers will disperse a second ...