Linne’s Cicada (Neotibicen linnei). 

The annual cicada with a wavering crescendo said to sound akin to a salt shaker. 

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: 

• Linne's Cicada song by Wil Hershberger (ML110293) 

Sources and more: 

• http://songsofinsects.com/cicadas/linnes-cicada 
• https://bugguide.net/node/view/32143 
• https://www.cicadamania.com/cicadas/the-smaller-neotibicen/ 

Chimney Swift (Chaetura pelagica).

The insectivore that skitters across the summer sky.

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: 

• Chimney Swift calls by Wil Hershberger (ML507186)
• Chimney Swift young calls by George B. Reynard (ML507188)

Sources and more: 

• https://www.allaboutbirds.org/guide/Chimney_Swift
• https://www.audubon.org/field-guide/bird/chimney-swift
• Sibley, D. (2016). Sibley birds East: Field guide to birds of eastern North America (2nd ed.). Alfred A. Knopf.

Lyric Cicada (Neotibicen lyricen).

The annual cicada with a consistent, unpulsed tone.

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: 

• Lyric Cicada call by Wil Hershberger (ML534518) 

Sources and more: 

• http://songsofinsects.com/cicadas/lyric-cicada
• https://bugguide.net/node/view/12261

American bullfrog (Lithobates catesbeianus). 

The largest frog in North America. 

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 Bullfrog call by Geoffrey A. Keller (ML237542) 
• American Bullfrog chorus by Steven R. Pantle and Joel W. Govostes (ML53182) 

Sources and more: 

• IDNR: https://dnr.illinois.gov/education/wildaboutpages/wildaboutfrogs/waftamericanbullfrog.html
• Wisconsin Citizen-based Monitoring Network YouTube: https://www.youtube.com/watch?v=bTducuu_4t0

Bald Eagle (Haliaeetus leucocephalus). 

A conservation success story and the national symbol of the United States.

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: 

• Bald Eagle call by Gerrit Vyn (ML505974)
• Bald Eagle screech by Gregory Budney (ML505975)

Sources and more: 

• https://www.allaboutbirds.org/guide/Bald_Eagle
• https://www.audubon.org/field-guide/bird/bald-eagle
• Dobson, C., Kassenbaum, D., Oehmke, D., & Misewicz, M. (2023). Field guide to hotspots and birds in Illinois. Scissortail LLC.
• 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.

Green Frog (Lithobates clamitans). 

The frog that sounds like the pluck of a banjo string. 

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

• Green Frog call by Geoffrey A. Keller (ML514691)
• Green Frog chorus by Wil Hershberger (ML527303)

Sources and more: 

• https://dnr.illinois.gov/education/wildaboutpages/wildaboutfrogs/waftgreenfrog.html
• https://dec.ny.gov/nature/animals-fish-plants/amphibians-reptiles/bullfrogs  

Ruby-throated hummingbird (Archilochus colubris). 

The only hummingbird that regularly nests east of the Mississippi river.

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

• Ruby-throated hummingbird calls by Geoffrey A. Keller (ML507203) 
• Ruby-throated hummingbird male display flight sound by Randolph Little (ML507200) 
• Ruby-throated hummingbird flight humming by Randolph Little (ML507202) 

Sources and more: 

• https://www.allaboutbirds.org/guide/Ruby-throated_Hummingbird  
• https://www.audubon.org/field-guide/bird/ruby-throated-hummingbird  
• 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. 

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. 

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

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. 

• Subscription links Here 
• Subscribe to the Newsletter 
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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. 

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

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.