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1 December 2000 A NEW SPECIES OF SAGE-GROUSE (PHASIANIDAE: CENTROCERCUS) FROM SOUTHWESTERN COLORADO
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Abstract
The Gunnison Sage-Grouse (Centrocercus minimus) is described as a new species from southwestern Colorado and contrasted with the Sage-Grouse (Centrocercus urophasianus) from northern Colorado and western North America. Gunnison Sage-Grouse differ from all other described sage-grouse (C. u. urophasianus, C. u. phaios) in morphological measurements, plumage, courtship display, and genetics. The species currently is limited to 8 isolated populations in southwestern Colorado and adjacent San Juan County, Utah. Total estimated spring breeding population is fewer than 5000 individuals with the largest population (<3000) in the Gunnison Basin (Gunnison and Saguache counties), Colorado.
Jessica R. Young, Clait E. Braun, Sara J. Oyler-McCance, Jerry W. Hupp and Tom W. Quinn "A NEW SPECIES OF SAGE-GROUSE (PHASIANIDAE: CENTROCERCUS) FROM SOUTHWESTERN COLORADO," The Wilson Bulletin 112(4), (1 December 2000). https://doi.org/10.1676/0043-5643(2000)112[0445:ANSOSG]2.0.CO;2
Received: 3 February 2000; Accepted: 1 June 2000; Published: 1 December 2000
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