MONTANA FIELD GUIDE™

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- Kingdom - Animals - Animalia
  - Phylum - Vertebrates - Craniata
    - Class - Birds - Aves
      - Order - Songbirds - Passeriformes
        
        Family - Warblers - Parulidae
        
        Species - Connecticut Warbler - Oporornis agilis

Connecticut Warbler - Oporornis agilis

Native Species
Accidental Species

Global Rank: G4G5
State Rank: SNA

Agency Status
USFWS: MBTA
USFS:
BLM:
PIF:

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General Description

The Connecticut Warbler breeds from east-central British Columbia east to Quebec and the northern Great Lakes region (Sibley 2014). In Montana, this species has a few spring and late summer records (Montana Bird Distribution Committee 2012).

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

Accidental

Western Hemisphere Range

Observations in Montana Natural Heritage Program Database

Terms and Conditions of Use

Map Help and Descriptions

Number of Observations: 13
(Click on the following maps and charts to see full sized version)

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)

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.
- Montana Bird Distribution Committee. 2012. P.D. Skaar's Montana bird distribution. 7th Edition. Montana Audubon, Helena, Montana. 208 pp. + foldout map.
- Sibley, D. 2014. The Sibley guide to birds. Alfred A. Knopf, New York, NY. 598 pp.
Additional ReferencesLegend: View Online Publication
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- American Ornithologists’ Union [AOU]. 1998. Check-list of North American birds, 7th edition. American Ornithologists’ Union, Washington, D.C. 829 p.
- Dunn, J.L. and K.L. Garrett. 1997. A field guide to warblers of North America. Houghton and Mifflin Publ., Boston, Mass. x + 656 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Wright, P.L. 1996. Status of rare birds in Montana, with comments on known hybrids. Northwestern Naturalist 77(3):57-85.
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Citation for data on this website:
Connecticut Warbler — Oporornis agilis. MONTANA FIELD GUIDE™. Montana Natural Heritage Program. Retrieved on September 5, 2026, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=ABPBX11020