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Tag: Extinction

The content below has been tagged with the term “Extinction.”


  • Ozark snail species presumed extinct following science-based surveys

    December 18, 2018 | 2 minute read

    Following rigorous, science-based surveys, the Ozark pyrg, a small snail native to Arkansas and Missouri, is presumed extinct, according to the U.S. Fish and Wildlife Service. No Ozark pyrgs have been confirmed in surveys since their first discovery in 1915. As a result of today’s finding, the pyrg will not be listed under the Endangered Species Act (ESA). The spiral-shaped Ozark pyrg was originally found more than 100 years ago in the White River near Cotter, Arkansas, and in the North Fork White River near Norfork, Arkansas, extending into Missouri.  Read the full story...


  • A grey bird with irrodescent coloring on its neck
    The passenger pigeon went extinct in the early 20th century. Photo by Tim Lenz, CC BY 2.0.

    The passenger pigeon and unforeseen consequences

    September 4, 2009 | 2 minute read

    Transcript Greetings and welcome to the Southern Appalachian Creature Feature. I’ve often spoken of white nose syndrome, the mysterious ailment killing thousands of bats in the northeast which is working its way southward. One of the myriad questions surrounding this affliction is what the death of thousands of bats means for the greater natural community, including human health, considering the volume of insects bats consume and that an impact on one part of a community can reverberate throughout, possibly with serious unforeseen consequences.  Learn more...

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