CPW Greater Prairie Chicken Shapefile Download

Updated December, 2025 HISTORIC RANGE: Areas where greater prairie chickens have been known to occur prior to 1955. Taken from Aldrich and Duvall (1955). OVERALL RANGE: An area which encompasses all known seasonal activities within the observed range of the greater prairie chicken. This does not include historic range. PRODUCTION AREA: An area which includes all nesting and brood rearing habitat of the greater prairie chicken. Currently defined as a 2.4km buffer zone around each active lek. This information was derived from Colorado Parks and Wildlife field personnel. Data was captured by digitizing through a SmartBoard Interactive Whiteboard using topographic maps and NAIP imagery at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld 16(3):32-35). These data are updated on a four year rotation with one of the four Colorado Parks and Wildlife Regions updated each year. These data are not updated on a statewide level annually.