The Wyoming Toad from The Acoustic Atlas, Montana State University (MSU) Library Channel
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  • The Wyoming Toad from The Acoustic Atlas

    The haunting sounds produced by the nearly extinct Wyoming toad (Anaxyrus baxteri) were recorded on June 5, 2014 at Mortenson Lake National Wildlife Refuge, Wyoming. The Wyoming toad was listed as endangered by the U.S. Fish and Wildlife Service in January 1984. Image Rights: CC BY 2.0 USFWS Mountain-Prairie, credit Sara Armstrong. Audio file copyright Jeff Rice and Montana State University; Use of this audio file is allowed in accordance with the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License; The Acoustic Atlas is curated by the Montana State University Library and contributed to by the U.S. Fish and Wildlife Service. It includes more than 2,500 recordings of species and environments from Montana and the Greater Yellowstone Ecosystem, along with habitats and species from throughout the Western United States. Visit us at Note: For library content that is not accessible, we are committed to providing reasonable accommodations and timely access to users with disabilities. For assistance, please submit an accessibility request for library material (

    frogs, acoustic atlas, montana state university library

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