- Theykeepsagebrushundercontrol.Themainstaplefortheirgrazingissagebrush.largegrouseofsagebrushregionsofNorthAmerica.Whilethat'sgoodforthesagebrush;it'snotgoodforitsplantneighbors.ofsagebrushandgrasslandareasofwesternUnitedStatesandCanada.Intheunheate...
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