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Environmental groups are suing the U.S. government to force addition of the Berry Cave salamander to the Endangered Species List. It is one of the largest cave salamanders, and can grow up to 6 inches.  Dr. Matthew Niemiller

50 percent of the known Berry Cave salamander population is in rapidly developing Knox County

KNOXVILLE — The Southern Environmental Law Center, on behalf of the Center for Biological Diversity, sued the U.S. Fish and Wildlife Service on May 7, arguing that the agency violated federal law when it denied Endangered Species Act protections for a rare salamander that is only found in a handful of East Tennessee caves.

The Berry Cave salamander has pink feathery gills, lives its entire life in caves, and can grow to over 9 inches in length — making it the largest cave-dwelling salamander in North America. The salamander is also incredibly rare. Populations have been found in just a small number of isolated caves, and in several of these caves only one salamander has ever been observed.

Unique to our bioregion

“The Berry Cave salamander is found nowhere else on Earth, and its populations are dwindling in the face of rapid development and a changing climate,” said Liz Rasheed, a senior associate attorney at the Southern Environmental Law Center.  “This lawsuit seeks to correct an egregious error that puts this incredible salamander at an even greater risk of extinction.”