Centrocercus Urophasianus, commonly known as the greater sage-grouse, is a species of bird that is native to North America. Due to its unique characteristics and habitat, there are various synonyms used to refer to this bird. Some of the synonyms for Centrocercus Urophasianus include sage hen, sage grouse, sage fowl, and gopher chicken. In addition, other names used for this bird include Centrocercus, Urophasianus, greater sage-grouse, sagecock, and the western sage-grouse. These synonyms are used interchangeably, depending on the context in which they are being used. The greater sage-grouse is an important species in North America, and its preservation is crucial to maintain its ecological balance.