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		General Description
		A large wading bird with all-white plumage; long black legs and feet; a long neck; and a long, straight, pointed, yellow bill; in breeding plumage, long white plumes extend from back beyond end of tail; average length 99 cm, wingspan 130 cm.
For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see 
Marks et al. 2016, Birds of Montana.Diagnostic Characteristics
		Differs from most other white herons in larger size (averages 23 cm longer than Reddish Egret, 38 cm longer than Snowy Egret), unicolored yellowish bill, and all-black legs and feet. Differs from the white form of the Great Blue Heron in having black legs and feet (versus yellowish).
		
	
	
	Species Range
	
		
			Montana Range
		Range Descriptions
			 
			
			
				
					 Migratory
					Migratory
				 
			
				
					
			 
			
			
			Western Hemisphere Range
			 
		
		 
		
	 
	
		Observations in Montana Natural Heritage Program Database
		Number of Observations: 228
		
		
(Click on the following maps and charts to see full sized version)
		Map Help and Descriptions
		
		
			
				Relative Density
				 
			 
		
			
				Recency
				 
			 
		
				
					SUMMER (Feb 16 - Dec 14)
				
				
					
						Direct Evidence of Breeding
						 
					
						Indirect Evidence of Breeding
						 
					
						No Evidence of Breeding
						 
					
					WINTER (Dec 15 - Feb 15)
				
				
					
						Regularly Observed
						 
					
						Not Regularly Observed
						 
					 
		
			
				 
			
				 
			
				 (Observations spanning multiple months or years are excluded from time charts)
			
			(Observations spanning multiple months or years are excluded from time charts)
		 
		
			
		
		
	
		Stewardship Responsibility
		
		
	
	References
	
		
			- Literature Cited AboveLegend:   View Online Publication View Online Publication Marks, J.S., P. Hendricks, and D. Casey. 2016. Birds of Montana. Arrington, VA. Buteo Books. 659 pages. Marks, J.S., P. Hendricks, and D. Casey. 2016. Birds of Montana. Arrington, VA. Buteo Books. 659 pages.
 
- Additional ReferencesLegend:   View Online Publication View Online Publication
 Do you know of a citation we're missing? American Ornithologists’ Union [AOU]. 1998. Check-list of North American birds, 7th edition. American Ornithologists’ Union, Washington, D.C. 829 p. American Ornithologists’ Union [AOU]. 1998. Check-list of North American birds, 7th edition. American Ornithologists’ Union, Washington, D.C. 829 p.
 Ehrlich, P., D. Dobkin, and D. Wheye. 1988. The birder’s handbook: a field guide to the natural history of North American birds. Simon and Schuster Inc. New York. 785 pp. Ehrlich, P., D. Dobkin, and D. Wheye. 1988. The birder’s handbook: a field guide to the natural history of North American birds. Simon and Schuster Inc. New York. 785 pp.
 Hancock, J. and J. Kushlan. 1984. The herons handbook. Croom Helm, Ltd., Kentucky. Hancock, J. and J. Kushlan. 1984. The herons handbook. Croom Helm, Ltd., Kentucky.
 Hays, R., R.L. Eng, and C.V. Davis (preparers). 1984. A list of Montana birds. Helena, MT: MT Dept. of Fish, Wildlife & Parks. Hays, R., R.L. Eng, and C.V. Davis (preparers). 1984. A list of Montana birds. Helena, MT: MT Dept. of Fish, Wildlife & Parks.
 Johnsgard, P.A. 1992. Birds of the Rocky Mountains with particular reference to national parks in the northern Rocky Mountain region. Lincoln: University of Nebraska Press. xi + 504 pp. Johnsgard, P.A. 1992. Birds of the Rocky Mountains with particular reference to national parks in the northern Rocky Mountain region. Lincoln: University of Nebraska Press. xi + 504 pp.
 Joslin, Gayle, and Heidi B. Youmans. 1999. Effects of recreation on Rocky Mountain wildlife: a review for Montana. [Montana]: Montana Chapter of the Wildlife Society. Joslin, Gayle, and Heidi B. Youmans. 1999. Effects of recreation on Rocky Mountain wildlife: a review for Montana. [Montana]: Montana Chapter of the Wildlife Society.
 Lenard, S., J. Carlson, J. Ellis, C. Jones, and C. Tilly. 2003. P. D. Skaar's Montana bird distribution, 6th edition. Montana Audubon, Helena, MT. 144 pp. Lenard, S., J. Carlson, J. Ellis, C. Jones, and C. Tilly. 2003. P. D. Skaar's Montana bird distribution, 6th edition. Montana Audubon, Helena, MT. 144 pp.
 Montana Bird Distribution Committee. 2012. P.D. Skaar's Montana bird distribution. 7th Edition. Montana Audubon, Helena, Montana. 208 pp. + foldout map. Montana Bird Distribution Committee. 2012. P.D. Skaar's Montana bird distribution. 7th Edition. Montana Audubon, Helena, Montana. 208 pp. + foldout map.
 Mora, M. A. 1995. Residues and trends of organochloride pesticide and polychlorinated biphenyls in birds from Texas, 1965-88. Technical Report 14. Washington, D.C.: U.S.D.I. National Biological Service. 26 p. Mora, M. A. 1995. Residues and trends of organochloride pesticide and polychlorinated biphenyls in birds from Texas, 1965-88. Technical Report 14. Washington, D.C.: U.S.D.I. National Biological Service. 26 p.
 National Geographic Society. 1983. Field guide to the birds of North America. Second Edition. National Geographic Society, Washington, DC. National Geographic Society. 1983. Field guide to the birds of North America. Second Edition. National Geographic Society, Washington, DC.
 Sibley, D. 2014. The Sibley guide to birds. Alfred A. Knopf, New York, NY. 598 pp. Sibley, D. 2014. The Sibley guide to birds. Alfred A. Knopf, New York, NY. 598 pp.
 Skaar, P. D., D. L. Flath, and L. S. Thompson. 1985. Montana bird distribution. Montana Academy of Sciences Monograph 3(44): ii-69. Skaar, P. D., D. L. Flath, and L. S. Thompson. 1985. Montana bird distribution. Montana Academy of Sciences Monograph 3(44): ii-69.
 Skaar, P.D. 1969. Birds of the Bozeman latilong: a compilation of data concerning the birds which occur between 45 and 46 N. latitude and 111 and 112 W. longitude, with current lists for Idaho, Montana, Wyoming, impinging Montana counties and Yellowstone National Park. Bozeman, MT. 132 p. Skaar, P.D. 1969. Birds of the Bozeman latilong: a compilation of data concerning the birds which occur between 45 and 46 N. latitude and 111 and 112 W. longitude, with current lists for Idaho, Montana, Wyoming, impinging Montana counties and Yellowstone National Park. Bozeman, MT. 132 p.
 Taylor, D.M. and C.H. Trost. 1987. The status of historically rare of unrecorded birds in Idaho. Unpublished manuscript. 68 p. Taylor, D.M. and C.H. Trost. 1987. The status of historically rare of unrecorded birds in Idaho. Unpublished manuscript. 68 p.
 U.S. Forest Service. 1991. Forest and rangeland birds of the United States: Natural history and habitat use. U.S. Department of Agriculture, Forest Service Agricultural Handbook 688. 625 pages. U.S. Forest Service. 1991. Forest and rangeland birds of the United States: Natural history and habitat use. U.S. Department of Agriculture, Forest Service Agricultural Handbook 688. 625 pages.
 Waldt, R. 1995. The Pine Butte Swamp Preserve bird list. Choteau, MT: The Nature Conservancy. Updated August 1995. Waldt, R. 1995. The Pine Butte Swamp Preserve bird list. Choteau, MT: The Nature Conservancy. Updated August 1995.
 Watts, C.R. and L.C. Eichhorn. 1981. Changes in the birds of central Montana. Proceedings of the Montana Academy of Sciences 40:31-40. Watts, C.R. and L.C. Eichhorn. 1981. Changes in the birds of central Montana. Proceedings of the Montana Academy of Sciences 40:31-40.
 
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