Wildlife scientists say the endangered red squirrel population in Arizona is making a comeback after a dramatic drop-off. The ...

The endangered Mount Graham red squirrel on the Pinaleño Mountains of southeastern Arizona is on the slow mend, with their numbers seemingly stabilizing a few years after crashing to an all-time low.

The Mount Graham red squirrel population declined slightly in the past year despite a new counting method that more accurately locates the population, state officials said. The 2023 survey of the ...

For over 25 years, the endangered Mount Graham red squirrel has been quietly battling population decline atop one of Arizona’s tallest mountains. Endemic to the Pinaleño Mountains in Southern Arizona, ...

Riggs Lake at Mount Graham in Arizona - Toni Esquer/Shutterstock In southeastern Arizona, in the middle of the Sonoran Desert, is a mountain known as a "sky island." Surrounded by a "sea" of desert, ...