Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Fox Sparrow - Passerella iliaca

Image Copyright and Usage Information
Native Species

Global Rank: G5
State Rank: S5B
(see State Rank Reason below)


Agency Status
USFWS: MBTA
USFS:
BLM:
PIF:


 

External Links


Listen to an Audio Sample
Copyright by Borror Laboratory of Bioacoustics, Department of Evolution, Ecology, and Organismal Biology, Ohio State University, Columbus, OH, all rights reserved.
State Rank Reason (see State Rank above)
Species is relatively common within suitable habitat and widely distributed across portions of the state.
Fox Sparrow (Passerella iliaca) Conservation Status Summary
State Rank: S5B
Review Date = 01/29/2025
See the complete Conservation Status Rank Report
How we calculate Conservation Status Ranks
 
General Description
Species monomorphic. In general, breast and flanks have dirty brown streaks, some of which form a central spot on the breast. Wings, upper tail-coverts, and rectrices rufous to dark sooty brown. Mantle coloration gray with rufous streaks, or unstreaked gray to sooty brown. Bill bicolored, with upper mandible blackish brown and basal edges dull orange or yellow. Lower mandible orangish or yellowish with grayish-brown tip (Weckstein et al. 2002).

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.

Species Range
Montana Range Range Descriptions

All Ranges
Summer
Migratory
(Click legend blocks to view individual ranges)

Western Hemisphere Range

 


Observations in Montana Natural Heritage Program Database
Number of Observations: 4032

(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)



Habitat
Species prefers areas of thick cover, usually around forest edges and brushy woodland edges. Also found in grown-up fields, cut-over woodland, and scrubby woods.

National Vegetation Classification System Groups Associated with this Species
Forest and Woodland
Deciduous Forest and Woodland
Rocky Mountain Aspen Forest and Woodland
Low Elevation - Xeric Forest and Woodland
Rocky Mountain Ponderosa Pine Forest and Woodland
Montane - Subalpine Forest and Woodland
Cedar - Hemlock Forest
Dry Spruce-fir Forest
Interior PNW Douglas-fir Forest and Woodland
Lodgepole Pine Forest
Mesic Spruce-fir Forest
Montane Mesic Coniferous (Grand Fir - Douglas-fir - Western Larch) Forest
Rocky Mountain Douglas-fir Forest
Whitebark Pine - Subalpine Larch Forest and Woodland
Shrubland
Foothills - Montane Shrubland
Lowland - Montane Shrubland
Montane - Subalpine Mesic Shrubland
Grassland
Montane - Subalpine Grassland
Montane - Subalpine Dry Grassland
Montane - Subalpine Mesic Grassland and Meadow
Wetland and Riparian
Alpine Riparian and Wetland
Alpine - Subalpine Herbaceous and Dwarf-Shrub Riparian and Wetland
Riparian and Wetland Forest
Lowland - Montane Riparian Deciduous Forest
Montane - Subalpine Riparian Forest
Montane Forested Wetland
Riparian Shrubland
Montane - Subalpine Riparian and Seep Shrubland
Wet Meadow and Marsh
Montane Wet Meadow and Marsh
Recently Disturbed or Modified
Harvested Forest
Recently Logged
Insect-Killed Forest
Recent Insect/Disease Damage
Recently Burned
Recently Burned Forest
Human Land Use
Developed
Developed - Vegetation

Food Habits
Diet consists mainly of insects. Other food sources include seeds, fruit and plant matter.

Reproductive Characteristics
Near Fortine, egg dates range from June 24 to July 5, although flying young were seen as early as June 12.


References
  • Literature Cited AboveLegend:   View Online Publication
    • Marks, J.S., P. Hendricks, and D. Casey. 2016. Birds of Montana. Arrington, VA. Buteo Books. 659 pages.
    • Weckstein, J. D., D. E. Kroodsma, and R. C. Faucett. 2002. Fox Sparrow (Passerella iliaca). In The birds of North America, No. 715 (A. Poole and F. Gill, Eds.). Academy of Natural Sciences of Philadelphia and American Ornithologists’ Union.
  • Additional ReferencesLegend:   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.
    • Baril, L.M. 2009. Change in deciduous woody vegetation, implications of increased willow (Salix spp.) growth for bird species diversity, and willow species composition in and around Yellowstone National Park's northern range. M.Sc. Thesis. Bozeman, Montana: Montana State University. 124 p.
    • Debinski, D.M., R.E. VanNimwegen, and M.E. Jakubauskas. 2006. Quantifying relationships between bird and butterfly community shifts and environmental change. Ecological Applications 16(1): 380-393.
    • 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.
    • Dobkin, D. S. 1992. Neotropical migrant landbirds in the Northern Rockies and Great Plains. U.S.D.A. For. Serv. N. Region Publ. R1-93-34. Missoula, Mont.
    • Dobkin, D.S. 1994. Conservation and management of neotropical migrant landbirds in the Northern Rockies and Great Plains. Univ. Idaho Press, Moscow, Idaho. 220 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.
    • Farrand, J. 1983. Audubon Society Master Guide to Birding, No. 2 Gulls to Dippers. Alfred A. Knopf, Inc. New York. New York, pp 176-178.
    • Hand, R.L. 1969. A distributional checklist of the birds of western Montana. Unpublished. Available at Mansfield Library, University of Montana, Missoula.
    • Hays, R., R.L. Eng, and C.V. Davis (preparers). 1984. A list of Montana birds. Helena, MT: MT Dept. of Fish, Wildlife & Parks.
    • Hejl, S.J. 1994. Human-induced changes in bird populations in coniferous forests in western North America during the past 100 years. Studies in Avian Biology 15:232-246.
    • Hejl, S.J. and L.C. Paige. 1994. A preliminary assessment of birds in continuous and fragmented forests of western red cedar/western hemlock in northern Idaho. In: Proceedings of interior cedar-hemlock-white pine forests: ecology and management. p. 189-197 Department of Natural Resource Sciences, Pullman, WA: Washington State University.
    • Hejl, S.J., R.L. Hutto, C.R. Preston, and D.M. Finch. 1995. The effects of silvicultural treatments on forest birds in the Rocky Mountains. pp. 220-244 In: T.E. Martin and D.M. Finch (eds). Ecology and Management of Neotropical Migratory Birds. New York, NY: Oxford Univ. Press. 489 p.
    • Hoffmann, R.S. 1960. Summer birds of the Little Belt Mountains, Montana. Missoula, MT: Occasional Papers of Montana State University No. 1. 18 p.
    • Hutto, R. L., and J. S. Young. 1999. Habitat relationships of landbirds in the Northern Region, USDA Forest Service. U.S. Forest Service General Technical Report RMRS-GTR-32, Ogden, Utah.
    • 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.
    • Kessler, W.B. and T.E. Kogut. 1985. Habitat orientations of forest birds in southeastern Alaska. Northwest Sci. 59(1): 58-65.
    • 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.
    • McWethy, D.B. 2007. Bird response to landscape and pattern disturbance across productivity gradients in forests of the Pacific Northwest. Ph.D. Dissertation. Bozeman, MT: Montana State University. 184 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.
    • Newlon, K.R. 2005. Demography of Lewis's Woodpecker, breeding bird densities, and riparian Aspen integrity in a grazed landscape. M.Sc. Thesis. Bozeman, MT: Montana State University. 101 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.
    • Ralph, J.C., J.R. Sauer, and S. Droege. 1995. Monitoring bird populations by point counts. Gen. Tech. Rep. PSW-GTR-149. Albany, CA: USDA Pacific Southwest Research Station. 181 p.
    • Rising, J.D. 1996. A guide to the identification and natural history of the sparrows of the United States and Canada. Academic Press, Inc., San Diego, CA. 365 pp.
    • Saunders, A.A. 1914. The birds of Teton and northern Lewis & Clark counties, Montana. Condor 16:124-144.
    • 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. 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.
    • Swan River National Wildlife Refuge. 1982. Birds of the Swan River NWR. Kalispell, MT: NW MT Fish and Wildlife Center pamphlet.
    • Terres, J.K. 1980. The Audubon Society encyclopedia of North American birds. Alfred A. Knopf, New York. 1109 pp.
    • Tobalske, B. W., R. C. Shearer, and R. L. Hutto. 1991. Bird populations in logged and unlogged western larch/Douglas-fir forest in northwestern Montana. U.S. Forest Service Research Paper INT-442, Ogden, Utah. 12 pp.
    • Tobalske, Bret W. 1991. Bird populations, logging, and Red-naped Sapsucker habitat suitability based on fledging success. M.S. Thesis. University of Montana. Missoula, MT.
    • 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.
    • Verner, J., and L.V. Ritter. 1985. A comparison of transects and point counts in oak-pine woodlands of California. The Condor 87:47-68.
    • Waldt, R. 1995. The Pine Butte Swamp Preserve bird list. Choteau, MT: The Nature Conservancy. Updated August 1995.
    • White, C.M., N.J. Van Lanen, D.C. Pavlacky Jr., J.A. Blakesley, R.A. Sparks, J.M.Stenger, J.A. Rehm-Lorber, M.F. McLaren, F. Cardone, J.J. Birek and D.J. Hanni. 2011. Integrated monitoring of bird conservation regions (IMBCR): 2010 Annual Report. Brighton, CO: Rocky Mountain Bird Observatory. 387 p.
  • Web Search Engines for Articles on "Fox Sparrow"
  • Additional Sources of Information Related to "Birds"
Login Logout

Take us with you! PDF icon

Look for this PDF icon as you search and browse.  Click it to build a custom PDF with species shown on that page or for all the species within that taxonomic level.  To create your own list of species, use the PDF Creator tool at the bottom of the Advanced Search page.

Here's some links if you want to download a whole group.

Mammals
Birds
Reptiles
Amphibians
Fish
Invertebrates
Butterflies / Moths
Dragonflies / Damselflies
Ferns and allies
Conifers
Flowering Plants (Dicots)
Flowering Plants (Monocots)
Bryophytes
Lichens
Ecological Systems
Noxious Weeds
Citation for data on this website:
Fox Sparrow — Passerella iliaca.  Montana Field Guide.  .  Retrieved on , from