Montana Field Guide

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Montana Field Guides

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- Kingdom - Animals - Animalia
  - Phylum - Vertebrates - Craniata
    - Class - Birds - Aves
      - Order - Songbirds - Passeriformes
        
        Family - New World Sparrows - Passerellidae
        
        Species - Brewer's Sparrow (Timberline) - Spizella breweri taverneri

Brewer's Sparrow (Timberline) - Spizella breweri taverneri

Other Names: Timberline Sparrow

Image Copyright and Usage Information

Native Species

Global Rank: G5T4T5
State Rank: S3B
(see State Rank Reason below)

Agency Status
USFWS: MBTA
USFS:
BLM:
PIF:

External Links

State Rank Reason (see State Rank above)

Subspecies is found in a restricted area on the eastern side of the Continental Divide Ecosystem. Trend is not available. Threats include habitat loss through forest changes due to warming temperatures.

Brewer's Sparrow (Timberline) (Spizella breweri taverneri) Conservation Status Summary
State Rank: S3B
Review Date = 10/31/2025
How we calculate Conservation Status

See the complete Conservation Status Report

General Description

We do not yet have descriptive information on this species. Please try the buttons above to search for information from other sources.

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

Summer

Observations in Montana Natural Heritage Program Database

Number of Observations: 57

(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

Stewardship Responsibility

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.
Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Feist, F. G. 1968. Breeding-bird populations on sagebrush-grassland habitat in central Montana. Audubon Field Notes 22(6):691-695.
- Griffin, S. C., B. L. Walker, and M. M. Hart. 2003. Using GIS to guide field surveys for Timberline Sparrows in northwestern Montana. Northwest Science 77:54-63.
- Hays, R., R.L. Eng, and C.V. Davis (preparers). 1984. A list of Montana birds. Helena, MT: MT Dept. of Fish, Wildlife & Parks.
- 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.
- 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.
- Sibley, D. 2014. The Sibley guide to birds. Alfred A. Knopf, New York, NY. 598 pp.
- 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.
- Walcheck, K.C. 1970. Nesting bird ecology of four plant communities in the Missouri River Breaks, Montana. Wilson Bulletin 82(4):370-382.
- Waldt, R. 1995. The Pine Butte Swamp Preserve bird list. Choteau, MT: The Nature Conservancy. Updated August 1995.
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Citation for data on this website:
Brewer's Sparrow (Timberline) — Spizella breweri taverneri. Montana Field Guide. Montana Natural Heritage Program and Montana Fish, Wildlife and Parks. Retrieved on November 13, 2025, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=ABPBX94042