American toad (Anaxyrus americanus).

A gruff amphibian with a musical trill.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

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The following Cornell Lab | Macaulay Library recordings were used in this episode:

• American Toad call by Matthew D. Medler (ML514691)

Sources and more:

• https://dnr.illinois.gov/education/wildaboutpages/wildaboutfrogs/waftamericantoad.html
• https://www.umesc.usgs.gov/terrestrial/amphibians/armi/species/eastern_american_toad.html
• Wisconsin Citizen-Based Monitoring Network https://www.youtube.com/watch?v=XRN2kCesuS4

Eastern Gray Treefrog (Dryophytes versicolor).

The frog that sounds like a woodpecker.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

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The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Red-bellied woodpecker call by Geoffrey A. Keller (ML507296)

The following USGS recordings were used in this episode:

• Eastern gray treefrog call by U.S. Geological Survey
• Cope's gray treefrog call by U.S. Geological Survey

Sources and more:

• https://dnr.illinois.gov/education/wildaboutpages/wildaboutfrogs/waftgraytreefrog.html
• https://www.umesc.usgs.gov/terrestrial/amphibians/armi/species/eastern_gray_treefrog.html
• https://www.umesc.usgs.gov/terrestrial/amphibians/armi/species/copes_gray_treefrog.html
• https://dnr.illinois.gov/education/edu-pages-main/a-f/edufrogtoad.html
• https://multimedia.illinois.gov/dnr/HDIGreyTree.mp4
• Wisconsin Citizen-Based Monitoring Network (https://www.youtube.com/watch?v=iLBehkuQgtk)

Warbling vireo (Vireo gilvus).

The plain vireo with a happy, jumbled song.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

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The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Warbling vireo song by Geoffrey A. Keller (ML507826)
• Warbling vireo call by Randolph Little (ML507833)
• Warbling vireo second call by Geoffrey A. Keller (ML507828)
• Purple finch song by Gregory Budney (ML510176)

Sources and more:

• https://www.allaboutbirds.org/guide/Warbling_Vireo
• https://www.audubon.org/field-guide/bird/warbling-vireo
• Dobson, C., Kassenbaum, D., Oehmke, D., & Misewicz, M. (2023). Field guide to hotspots and birds in Illinois. Scissortail LLC.
• Godfrey, M. A., & Kaufman, Kenn. (Directors). (2004). National Audubon Society videoguide to the birds of North America [Video recording]. In Audubon videoguide to 505 birds of North America DVD I & DVD II (Fullscreen.). Godfrey-Stadin Productions.
• Peterson, R. T., & Peterson, V. M. (1980). A field guide to the birds: A completely new guide to all the birds of eastern and central North America (Fourth edition, completely revised and enlarged.). Houghton Mifflin Company.
• Sibley, D. (2016). Sibley birds East: Field guide to birds of eastern North America (2nd ed.). Alfred A. Knopf.
• Walton, R. K., & Lawson, R. W. (1989). Birding by Ear: Eastern/Central [Compact Disc]. On Eastern/Central birding by ear. Houghton Mifflin Co.

Tennessee Warbler (Leiothlypis peregrina).

The drab warbler with a repetitive three-parted song.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

• Subscription links Here
• Subscribe to the Newsletter
• Listen online on our Homepage

The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Tennessee warbler song by Matthew D. Medler (ML509001)
• Tennessee warbler call by Robert W. Robinson and Bea Robinson (ML509015)

Sources and more:

• https://www.allaboutbirds.org/guide/Tennessee_Warbler
• https://www.audubon.org/field-guide/bird/tennessee-warbler
• Dobson, C., Kassenbaum, D., Oehmke, D., & Misewicz, M. (2023). Field guide to hotspots and birds in Illinois. Scissortail LLC.
• Godfrey, M. A., & Kaufman, Kenn. (Directors). (2004). National Audubon Society videoguide to the birds of North America [Video recording]. In Audubon videoguide to 505 birds of North America DVD I & DVD II (Fullscreen.). Godfrey-Stadin Productions.
• Peterson, R. T., & Peterson, V. M. (1980). A field guide to the birds: A completely new guide to all the birds of eastern and central North America (Fourth edition, completely revised and enlarged.). Houghton Mifflin Company.
• Stokes, D. W., & Stokes, L. Q. (204 C.E.). Stokes Field Guide to Warblers (2nd ed.). Little, Brown and Company.
• Walton, R. K., & Lawson, R. W. (1989). Birding by Ear: Eastern/Central [Compact Disc]. On Eastern/Central birding by ear. Houghton Mifflin Co.

Blackpoll Warbler (Setophaga striata).

A monochrome warbler with a high-pitched “tick-tick-tick” song.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

• Subscription links Here
• Subscribe to the Newsletter
• Listen online on our Homepage

The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Blackpoll warbler call by William W. H. Gunn (ML509250)
• Blackpoll warbler song by William W. H. Gunn (ML509246)

Sources and more:

• https://www.allaboutbirds.org/guide/Blackpoll_Warbler
• https://www.audubon.org/field-guide/bird/blackpoll-warbler
• Dobson, C., Kassenbaum, D., Oehmke, D., & Misewicz, M. (2023). Field guide to hotspots and birds in Illinois. Scissortail LLC.
• Godfrey, M. A., & Kaufman, Kenn. (Directors). (2004). National Audubon Society videoguide to the birds of North America [Video recording]. In Audubon videoguide to 505 birds of North America DVD I & DVD II (Fullscreen.). Godfrey-Stadin Productions.
• Peterson, R. T., & Peterson, V. M. (1980). A field guide to the birds: A completely new guide to all the birds of eastern and central North America (Fourth edition, completely revised and enlarged.). Houghton Mifflin Company.
• Stokes, D. W., & Stokes, L. Q. (204 C.E.). Stokes Field Guide to Warblers (2nd ed.). Little, Brown and Company.
• Walton, R. K., & Lawson, R. W. (1989). Birding by Ear: Eastern/Central [Compact Disc]. On Eastern/Central birding by ear. Houghton Mifflin Co.

Ovenbird (Seiurus aurocapilla).

A thrushlike warbler with a blaze of orange on the head.

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

• Subscription links Here
• Subscribe to the Newsletter
• Listen online on our Homepage

The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Ovenbird song by Geoffrey A. Keller (ML508929)
• Ovenbird call by Hope Batcheller (ML508931)

Sources and more:

• https://www.allaboutbirds.org/guide/Ovenbird
• https://www.audubon.org/field-guide/bird/ovenbird
• Dobson, C., Kassenbaum, D., Oehmke, D., & Misewicz, M. (2023). Field guide to hotspots and birds in Illinois. Scissortail LLC.
• Godfrey, M. A., & Kaufman, Kenn. (Directors). (2004). National Audubon Society videoguide to the birds of North America [Video recording]. In Audubon videoguide to 505 birds of North America DVD I & DVD II (Fullscreen.). Godfrey-Stadin Productions.
• Peterson, R. T., & Peterson, V. M. (1980). A field guide to the birds: A completely new guide to all the birds of eastern and central North America (Fourth edition, completely revised and enlarged.). Houghton Mifflin Company.
• Sibley, D. (2016). Sibley birds East: Field guide to birds of eastern North America (2nd ed.). Alfred A. Knopf.
• Stokes, D. W., & Stokes, L. Q. (204 C.E.). Stokes Field Guide to Warblers (2nd ed.). Little, Brown and Company.
• Walton, R. K., & Lawson, R. W. (1989). Birding by Ear: Eastern/Central [Compact Disc]. On Eastern/Central birding by ear. Houghton Mifflin Co.

Voice of the Wild might be heading to your local public radio station. As a result, regular episodes will sound a little different.

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Chestnut-sided warbler (Setophaga pensylvanica).

A colorful warbler that’s “pleased to meet you.”

Do you want to learn more bird songs, frog calls, and insect noises? Join Voice of the Wild every Friday to explore a new wild voice. We’re available on most podcast platforms, including Apple Podcasts, Spotify, and YouTube.

• Subscription links Here
• Subscribe to the Newsletter
• Listen online on our Homepage

The following Cornell Lab | Macaulay Library recordings were used in this episode:

• Chestnut-sided warbler song by Geoffrey A. Keller (ML509242)
• Chestnut-sided warbler song variation by Matthew D. Medler (ML509241)
• Chestnut-sided warbler call by Robert C. Stein and Eugene Morton (ML509245)
• Yellow warbler song by Mike Andersen (ML509228)

Sources and more:

• https://www.allaboutbirds.org/guide/Chestnut-sided_Warbler
• https://www.audubon.org/field-guide/bird/chestnut-sided-warbler
• Dobson C, Kassenbaum D, Oehmke D, et al. 2023. Field guide to hotspots and birds in Illinois. Champaign-Urbana: Scissortail LLC.
• National Audubon Society videoguide to the birds of North America. 2004. Fullscreen. Carrboro, NC: Godfrey-Stadin Productions.
• Peterson RT, Peterson VM. 1980. A field guide to the birds : a completely new guide to all the birds of eastern and central North America. Fourth edition, completely revised and enlarged. Boston: Houghton Mifflin Company (The Peterson field guide series ; 1).
• Sibley D. 2016. Sibley birds East : field guide to birds of eastern North America. Second edition. New York: Alfred A. Knopf (Field guide to birds of eastern North America).
• Stokes DW, Stokes LQ. 2004. Stokes Field Guide to Warblers. 2nd ed. New York: Little, Brown (Stokes field guides).