Fox News (June 26) – “Turtles can tell us a really interesting story,” Dr. Matt Allender, director of the wildlife epidemiology lab at the University of Illinois, said. “The health of the turtle is representative of the health of the environment. They utilize everything in their environments for their health. Turtles in poor health are representative of poor environmental conditions.”
https://www.foxnews.com/science/specially-trained-dogs-threatened-turtle-species