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Northern Shoveler -
Native Species Global Rank
Agency Status USFWS
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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.
Western Hemisphere Range
Observations in Montana Natural Heritage Program Database
Number of Observations:
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding
Indirect Evidence of Breeding
No Evidence of Breeding
WINTER (Dec 15 - Feb 15)
Not Regularly Observed
(Observations spanning multiple months or years are excluded from time charts)
In Bozeman the spring peak in numbers was reached on May 1; the fall peak October 10 or early September (statewide). April 4 to May 25 and September 5 to November 5 is the normal migration period.
Comments on habitat can be found in Holm 1984. In the Bozeman area, summer birds prefer the marshy borders of lakes and ponds; migrants are more widely distributed (Skaar 1969).
Ecological Systems Associated with this Species
Details on Creation and Suggested Uses and Limitations
How Associations Were Made
We associated the use and habitat quality (common or occasional) of each of the 82 ecological systems mapped in Montana for
vertebrate animal species that regularly breed, overwinter, or migrate through the state by:
Using personal observations and reviewing literature that summarize the breeding, overwintering, or migratory habitat requirements of each species (Dobkin 1992, Hart et al. 1998, Hutto and Young 1999, Maxell 2000, Foresman 2012, Adams 2003, and Werner et al. 2004);
Evaluating structural characteristics and distribution of each ecological system relative to the species' range and habitat requirements;
Examining the observation records for each species in the state-wide point observation database associated with each ecological system;
Calculating the percentage of observations associated with each ecological system relative to the percent of Montana covered by each ecological system to get a measure of "observations versus availability of habitat".
Species that breed in Montana were only evaluated for breeding habitat use, species that only overwinter in Montana were only evaluated for overwintering habitat use, and species that only migrate through Montana were only evaluated for migratory habitat use.
In general, species were listed as associated with an ecological system if structural characteristics of used habitat documented in the literature were present in the ecological system or large numbers of point observations were associated with the ecological system.
However, species were not listed as associated with an ecological system if there was no support in the literature for use of structural characteristics in an ecological system,
point observations were associated with that system.
Common versus occasional association with an ecological system was assigned based on the degree to which the structural characteristics of an ecological system matched the preferred structural habitat characteristics for each species as represented in scientific literature.
The percentage of observations associated with each ecological system relative to the percent of Montana covered by each ecological system was also used to guide assignment of common versus occasional association.
If you have any questions or comments on species associations with ecological systems, please contact the Montana Natural Heritage Program's Senior Zoologist.
Suggested Uses and Limitations
Species associations with ecological systems should be used to generate potential lists of species that may occupy broader landscapes for the purposes of landscape-level planning.
These potential lists of species should not be used in place of documented occurrences of species (this information can be requested at:
) or systematic surveys for species and evaluations of habitat at a local site level by trained biologists.
Users of this information should be aware that the land cover data used to generate species associations is based on imagery from the late 1990s and early 2000s and was only intended to be used at broader landscape scales.
Land cover mapping accuracy is particularly problematic when the systems occur as small patches or where the land cover types have been altered over the past decade.
Thus, particular caution should be used when using the associations in assessments of smaller areas (e.g., evaluations of public land survey sections).
Finally, although a species may be associated with a particular ecological system within its known geographic range, portions of that ecological system may occur outside of the species' known geographic range.
Adams, R.A. 2003. Bats of the Rocky Mountain West; natural history, ecology, and conservation. Boulder, CO: University Press of Colorado. 289 p.
Dobkin, D. S. 1992. Neotropical migrant land birds in the Northern Rockies and Great Plains. USDA Forest Service, Northern Region. Publication No. R1-93-34. Missoula, MT.
Foresman, K.R. 2012. Mammals of Montana. Second edition. Mountain Press Publishing, Missoula, Montana. 429 pp.
Hart, M.M., W.A. Williams, P.C. Thornton, K.P. McLaughlin, C.M. Tobalske, B.A. Maxell, D.P. Hendricks, C.R. Peterson, and R.L. Redmond. 1998. Montana atlas of terrestrial vertebrates. Montana Cooperative Wildlife Research Unit, University of Montana, Missoula, MT. 1302 p.
Hutto, R.L. and J.S. Young. 1999. Habitat relationships of landbirds in the Northern Region, USDA Forest Service, Rocky Mountain Research Station RMRS-GTR-32. 72 p.
Maxell, B.A. 2000. Management of Montana's amphibians: a review of factors that may present a risk to population viability and accounts on the identification, distribution, taxonomy, habitat use, natural history, and the status and conservation of individual species. Report to U.S. Forest Service Region 1. Missoula, MT: Wildlife Biology Program, University of Montana. 161 p.
Werner, J.K., B.A. Maxell, P. Hendricks, and D. Flath. 2004. Amphibians and reptiles of Montana. Missoula, MT: Mountain Press Publishing Company. 262 p.
Commonly Associated with these Ecological Systems
Wetland and Riparian Systems
Occasionally Associated with these Ecological Systems
Human Land Use
Recently Disturbed or Modified
Wetland and Riparian Systems
At Freezeout Lake, birds nesting in grasslands are more successful (16.6%) than in all other habitat types (average of all types is 9.1%). The major cause of unsuccessful nests is skunk predation.
Brood size averages 7.3 in rest-rotation grazing pastures in north-central Montana. Breeding has been recorded from mid-April to July 25. Young were observed in the Bozeman area on June 25. At Freezeout Lake hatching occurs from May 21 to July 20 (average 9.1% success rate). The average clutch size is 9.5. Hatching dates are from May 10 to July 31.
Literature Cited Above
Legend: View Online Publication Marks, J.S., P. Hendricks, and D. Casey. 2016. Birds of Montana. Arrington, VA. Buteo Books. 659 pages. 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. Additional References
Legend: View Online Publication Do you know of a citation we're missing? [WWPC] Washington Water Power Company. 1995. 1994 wildlife report Noxon Rapids and Cabinet Gorge Reservoirs. Washington Water Power Company. Spokane, WA. American Ornithologists’ Union [AOU]. 1998. Check-list of North American birds, 7th edition. American Ornithologists’ Union, Washington, D.C. 829 p. Bayless, S.R. 1992. Duck population responses to water development in north central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 69 p. Belanger, L. 1988. Use of man-made ponds by dabbling duck broods. J. Wildl. Manage. 52(4): 718-723. Bird Conservancy of the Rockies. 2017. Pocket Guide to Northern Prairie Birds. Brighton, CO: Bird Conservancy of the Rockies. 98 p. Bramblett, R.G., and A.V. Zale. 2002. Montana Prairie Riparian Native Species Report. Montana Cooperative Fishery Research Unit, Montana State University - Bozeman. Butler, M.A. 1996. The validity of using artificial nests to assess nest-predation rates in prairie nesting ducks. M.Sc. Thesis. Bozeman, MT: Montana State University. 82 p. Cameron, E. S. 1907. The birds of Custer and Dawson counties, Montana. Auk 24(3): 241-270. Confluence Consulting Inc. 2010. Montana Department of Transportation Wetland Mitigation Monitoring Reports (various sites). MDT Helena, MT. Confluence Consulting Inc. 2011. Montana Department of Transportation Wetland Mitigation Monitoring Reports (various sites). MDT Helena, MT. Confluence Consulting Inc. 2013. Montana Department of Transportation Wetland Mitigation Monitoring Reports (various sites). MDT Helena, MT. Cornely, J.E. 1982. Waterfowl production at Malheur National Wildlife Refuge, 1942-1980. Transactions of the 47th North American Wildlife and Natural Resources Conference. pp 559-571. Dickson, D.C. 1991. Systematic wildlife observations on the Blackfoot-Clearwater Wildlife Management Area. Montana Department of Fish, Wildlife and Parks. Missoula, MT. 14 pp. plus appendices and photographs. DuBois, K.L. 1979. An inventory of the avifauna in the Long Pines of Southeastern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 113 p. Dubowy, P.J. 1996. Northern Shoveler ( Anas clypeata). Species Account Number 217. The Birds of North America Online (A. Poole, Ed.). Ithaca, NY: Cornell Laboratory of Ornithology; Retrieved 3/25/2008 from The Birds of North America Online database ECON, Inc. (Ecological Consulting Service), Helena, MT., 1975, Colstrip 10 x 20 Area wildlife and wildlife habitat annual monitoring report, 1975. Proj. 71-23-A. December 31, 1975. ECON, Inc. (Ecological Consulting Service), Helena, MT., 1976, Colstrip 10 x 20 Area wildlife and wildlife habitat annual monitoring report, 1976. Proj. 135-85-A. December 31, 1976. ECON, Inc. (Ecological Consulting Service), Helena, MT., 1977, Colstrip 10 x 20 Area wildlife and wildlife habitat annual monitoring report, 1977. Proj. 164-85-A. December 31, 1977. ECON, Inc. (Ecological Consulting Service), Helena, MT., 1979, Annual wildllife report of the Colstrip Area for 1978. Proj. 195-85-A. April 6, 1979. ECON, Inc. (Ecological Consulting Service), Helena, MT., 1979, Annual wildllife report of the Colstrip Area for 1979, including a special raptor research study. Proj. 216-85-A. March 1, 1980. ECON, Inc. (Ecological Consulting Service), Helena, MT., 1979, Area B four-section wildlife report. August 3, 1979. 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. Ellig, L.J. 1953. Waterfowl relationships to Greenfields Lake, Teton County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 49 p. Fields, S.P. 2011. Factors influencing the density and distribution of breeding waterfowl in north-central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 112 p. Gjersing, F.M. 1971. A study of waterfowl production on two rest rotation grazing units in northcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 42 p. Gniadek, S. 1983. Southwest Glendive Wildlife Baseline Inventory. Miles City, Mont: Bureau of Land Management, Miles City District Office. 56 pp with appendices. Goodell, J. 2012. Morse Land Company Breeding Bird Inventory And Analysis. High Desert Museum. Bend, OR. 42 pp + Appendices. Hays, R., R.L. Eng, and C.V. Davis (preparers). 1984. A list of Montana birds. Helena, MT: MT Dept. of Fish, Wildlife & Parks. Hendricks, P, S. Lenard, and C. Currier. 2012. Grassland Bird Surveys in North Valley County and Northwest Phillips County, Montana: 2011 Summary. Report to the USDI Bureau of Land Management. Montana Natural Heritage Program. Helena, MT. 7pp. Hendricks, P., S. Lenard, C. Currier, and J. Carlson. 2007. Grassland bird surveys in north Valley County, Montana: 2001-2006. Report to the Bureau of Land Management, Glasgow Field Office. Montana Natural Heritage Program, Helena, Montana. 19 pp. plus appendices. Hendricks, P., S. Lenard, D.M. Stagliano, and B.A. Maxell. 2013. Baseline nongame wildlife surveys on the Fort Peck Indian Reservation. Report to the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation. Montana Natural Heritage Program, Helena, MT. 83 p. Hudson, M.S. 1980. Waterfowl production on three age-classes of stock ponds in north central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 45 p. Johnsgard, P.A. 1975. Waterfowl of North America. Indiana University Press, Bloomington. 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. Johnson, D.H. and J.W. Grier. 1988. Determinants of breeding and distributions of ducks. Wildl. Monogr. 100: 1-37. Johnson, K.M. 1990. Aquatic vegetation, salinity, aquatic invertebrates, and duck brood use at Bowdoin National Wildlife Refuge, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 77 p. 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. Klett, A.T., T.L. Shaiffer, and D.H. Johnson. 1988. Duck nest success in the Prairie Pothole Region. J. Wildl. Manage. 52(3): 431-440. Knight, R.R. 1960. Vegetative characteristics of two water areas in Teton County, Montana, in relation to waterfowl usage. M.Sc. Thesis. Bozeman, MT: Montana State University. 38 p. Knight, R.R. 1965. Vegetative characteristics and waterfowl usage of a Montana water area. J. Wildl. Manage. 29(4):782-788. Korschgen, C.E., and R.B. Dahlgren. 1992. Human disturbances of waterfowl: causes, effects, and management. Ch. 13.2.15 In: Waterfowl Management Handbook. Fish and Wildlife Service Leaflet. 8 p. Lambing, J. H., D. A. Nimick, J. R. Knapton, and D. U. Palawski. 1994. Physical, chemical, and biological data for detailed study of the Sun River Irrigation Project, Freezout Lake Wildlife Management Area, and Benton Lake National Wildlife Refuge, west-central Montana, 1990-92, with selected data for 1987-89. Open-File Report 94-120, U.S. Geological Survey, Helena, Montana. Land & Water Consulting, Inc. 2002. Montana Dept. of Transportation Wetland Mitigation Monitoring Report. Year 2001: Creston Site, Creston, Montana. Project No. 130091.007. July 2002. In 2001 Wetland Mitigation Monitoring Reports, Vol. I. Land & Water Consulting, Inc., Missoula, MT., 2002, Montana Dept. of Transportation Wetland Mitigation Monitoring Report, Year 2001: Johnson - Valier, Valier, Montana. Proj. No. 130091.018. July 2002. In 2001 Wetland Mitigation Monitoring Reports, Vol. I. Land & Water Consulting, Inc., Missoula, MT., 2002, Montana Dept. of Transportation Wetland Mitigation Monitoring Report, Year 2002: [Jack] Johnson - Valier, Montana. Proj. No. 130091.018. May 2003. In 2002 Wetland Mitigation Monitoring Reports, Vol. II. Land & Water Consulting, Inc., Missoula, MT., 2002, Montana Dept. of Transportation Wetland Mitigation Monitoring Report, Year 2002: Perry Ranch, Glacier Co., Montana. Proj. No. 130091.020. May 2003. In 2002 Wetland Mitigation Monitoring Reports, Vol. II. Lenard, S. 2006. Birds of Blaine County, Riparian Point Count Surveys 2005. Report to the Bureau of LandManagement, Havre Field Station, Havre, Montana. Montana Natural Heritage Program, Helena, MT. 16pp.plus appendices. Lenard, S., Compiler. 2005. Surveys for Animal Species of Concern in Sage and Grassland Landscapes in Montana. An unpublished report to the Montana Department of Fish, Wildlife & Parks, State Wildlife Grants Program. Montana Natural Heritage Program, Helena, Montana. 63pp. 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. Lokemoen, J.T. 1993. Increasing waterfowl nesting success on islands and peninsulas. Ch. 13.2.11 In: Waterfowl Management Handbook. Fish and Wildlife Service Leaflet. 7 p. Lokemoen, J.T., and R.O. Woodward. 1992. Nesting waterfowl and water birds on natural islands in the Dakotas and Montana. Wildlife Society Bulletin 20:163-171. Lorang, K.D. 1979. Waterfowl and hunter use of Freezeout Lake Game Management Area. M.Sc. Thesis. Bozeman, Montana: Montana State University. 79 p. Matthews, W.L. 1981. Broadus-Pumpkin Creek baseline inventory - wildlife. Bureau of Land Management, Miles City, MT. 83 p. McCarthy, J.J. 1973. Response of nesting Canada geese (Branta canadensis) to islands in stockdams in northcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 36 p. Miller, M.G. 1980. The influence of habitat features on waterfowl productivity on stock reservoirs in south Valley County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 43 p. Montana Bird Distribution Committee. 2012. P.D. Skaar's Montana bird distribution. 7th Edition. Montana Audubon, Helena, Montana. 208 pp. + foldout map. MT Fish, Wildlife & Parks. No date. Blackfoot-Clearwater Wildlife Management Area checklist. Mundinger, J.G. 1975. The influence of rest-rotation grazing management on waterfowl production on stock-water reservoirs in Phillips County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 p. Oechsli, L.M. 2000. Ex-urban development in the Rocky Mountain West: consequences for native vegetation, wildlife diversity, and land-use planning in Big Sky, Montana. M.Sc. Thesis. Montana State University, Bozeman. 73 p. Palawski, D.U., et al., 1991, Contaminant biomonitoring at the Benton Lake National Wildlife Refuge in 1988. Palmer, R.S. 1962. Handbook of North American birds. Volume 1. Loons through flamingos. Yale University Press, New Haven. 567 pp. Rhodes, O.E., Jr., L.M. Smith and M.H. Smith. 1991. Conservation and genetic resources in waterfowl. Trans. N. Amer. Wildl. & Nat. Res. Conf. 56:462-472. Rogers, R.R and A. Rogers. 1995. A survey of nesting ferruginous hawks (Buteo regalis) on public lands in Petroleum and Fergus counties, Montana. Prepared for the USDI Bureau of Land Management, Judith Resource Area. 17 p. Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p. Salt, W.R. and J.R. Salt. 1976. The birds of Alberta. Hurtig Publishers, Edmonton, Alberta. xv + 498 pp. Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p. Saunders, A.A. 1914. The birds of Teton and northern Lewis & Clark counties, Montana. Condor 16:124-144. Schladweiler, Philip, and John P. Weigand., 1983, Relationships of endrin and other chlorinated hydrocarbon compounds to wildlife in Montana, 1981-1982. September 1983. 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. Smith, R.H. 1952. A study of waterfowl production on artificial reservoirs in eastern Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 43 p. Stewart, R.E. and H.A. Kantrud. 1972. Population estimates of breeding birds in North Dakota. The Auk 89(4):766-788. 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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. 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. Western Energy Co., Colstrip, MT., 1980, Western Energy Company Rosebud Mine, Colstrip, Montana: Annual Wildlife Report, 1980. Western Energy Co., Colstrip, MT., 1981, Western Energy Company Rosebud Mine, Colstrip, Montana: Annual Wildlife Report, 1981. Wetlands West, Inc., Bozeman, MT., and Land & Water Consulting, Inc., Missoula, MT., 2002, Montana Dept. of Transportation Wetland Mitigation Monitoring Report, Year 2001: Roundup Wetland, Roundup, Montana. Proj. No. 130091.031. July 2002. In 2001 Wetland Mitigation Monitoring Reports, Vol. II. Zackheim, K. 1973. Exhibit H: Wildlife Study. In Ash Grove Cement Co. files. 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