Mount Graham red squirrels live in a high-altitude part of the Pinaleño Mountains. The oft-litigated red squirrels named after Arizona’s Mount Graham reentered federal court Tuesday as ...

The Mount Graham red squirrel population in Arizona has risen more than expected, according to the Arizona Department of Game and Fish. The latest survey shows an increase of about 89 squirrels since ...

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 ...

Studying the ecological importance of ground squirrels at the Rocky Mountain Bio Lab. Summer mornings at the Rocky Mountain Biological Laboratory are prime time for viewing and studying golden mantled ...

TUCSON, Ariz.— The Center for Biological Diversity and Maricopa Audubon sued the U.S. Fish and Wildlife Service today for failing to protect habitat essential to the survival and recovery of southeast ...

A forest restoration project in the Pinaleño Mountains near Safford — aimed at improving habitat for the endangered Mount Graham red squirrel and reducing the risk of wildfires — begins today. Work, ...

In 2017 the Arizona Game and Fish Department estimated that there were only 252 Mount Graham red squirrels left. They only inhabited a few hundred acres in the 10,000-foot Pinaleño Mountains, not ...

TUCSON, Ariz.— A federal judge has ordered the Trump administration to make a long-overdue decision on whether to expand critical habitat for Arizona’s highly endangered Mount Graham red squirrels.

Worryingly low levels of genetic diversity make Scotland’s red squirrels especially vulnerable to disease, a study has shown. Researchers at the University of Edinburgh said this could explain why the ...