Soft diet, weak jaws. If red squirrels eat too many peanuts, their jaws end up weaker than the jaws of squirrels eating natural diets, researchers report January 15 in Royal Society Open Science.

Recently a new visitor showed up at my bird feeding area by the house. Every once in awhile one of these creatures will show ...

TUCSON, Ariz.— Conservation groups have sued the Biden administration to force two federal agencies to comply with the Endangered Species Act and protect imperiled Mount Graham red squirrels in ...

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 Arizona’s ...