“The Sonoyta mud turtle is clearly in danger of extinction,” Steve Spangle, a field supervisor with Fish and Wildlife’s Arizona Ecological Services, said in a release announcing the listing.

A rare watering hole is starting to dry up in the desert southwest of Tucson, raising concerns about the impact of nearby border wall construction on the aquifer. Where ducks once paddled and ...

One lovely thing about turtles is that they never look busy. They calmly browse the forest or sun themselves on a log, appearing to live a life of leisure. Behind their chill demeanor, however ...

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