Colorado Parks & Wildlife - Species Data - Great Blue Heron Nesting Area
Colorado Parks and Wildlife Biologists, District Wildlife Managers, and Researchers
GBHeronNestingArea is an ESRI SDE Feature Classshowing Nesting Areas for Great Blue Heron (Ardea herodias) in Colorado. Nesting Areas are defined as individual trees or groups of trees containing nest platforms, and a buffer zone extending 500 meters around a known active or inactive nest site. Nest platforms are usually located in dominant trees associated with riparian habitats. This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld 16(3):32-35).