NPSpecies

Changed Abundance from Rare to Uncommon per Ruthrauff and Tibbitts 2009; Data Source: Ruthrauff, D. R., and T. L. Tibbitts. 2009. Inventory of breeding birds in Aniakchak National Monument and Preserve. Natural Resource Technical Report NPS/SWAN/NRTR—2009/186. National Park Service, Fort Collins, Colorado.

Park Species Data Source: Ruthrauff, D. R., and T. L. Tibbitts. 2009. Inventory of breeding birds in Aniakchak National Monument and Preserve. Natural Resource Technical Report NPS/SWAN/NRTR—2009/186. National Park Service, Fort Collins, Colorado. [OLD] United States Dept. of the Interior. Alaska Planning Group. 1973. Aniakchak Caldera National Monument, Alaska : master plan/prepared by Alaska Planning Group, National Park Service, Department of the Interior. Environmental Impact Statement.