The greater sage-grouse (Centrocercus urophasianus ), also known as the sagehen, is the largest grouse (a type of bird) in North America. Its range is sagebrush country in the western United States and southern Alberta and Saskatchewan, Canada. It...
The Gunnison grouse or Gunnison sage-grouse or lesser sage-grouse (Centrocercus minimus ) is a species of grouse endemic to the United States. It is similar to the closely related greater sage-grouse (Centrocercus urophasianus ) in appearance, but...