National Geographic : 2002 Mar
Cnrben srarPc= Cllcin- Tn : eif Prairie-chickens ONT. The Attwater's-named after N.. an English naturalist who .: A specialized in birds of south Wa ern Texas-is closely related NR. to other grouse with the SCONN. "prairie-chicken" moniker. SDEL. Greater prairie-chickens are . . holding on in the heart of their range, but lesser prairie-chicken numbers are down 98 percent. The heath ;AirrY hen went extinct on JI PRESERVE V R PRAIRIECHICKEN Martha's Vineyard WILDLIFE REFUGE in 1932. Sharp-tailed Grouse QWith six subspecies, the arp-tailed grouse is the most widely distributed prai rie grouse in North America. M The plains and prairie sharp tail populations are relatively ILL strong in the north, but the Columbian sharptail, ranging from the Rockies to the Pacific North west, is under siege because of habitat Loss, according to the North American Grouse Partnership. MICHAELFORSBERG a_ r c ii Sage-grouse It numbers down by at least half in the past 20 years, the sage-grouse is a candidate for protection under the Endangered Species Act. Both species' ranges are dwin dling, but the greater sage-grouse has recently rebounded Sin a few areas.