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 endangered Mount Graham red squirrel population has stabilized at around 232 individuals, even during a persistent drought in the Sky Islands. Conservation efforts have helped the species recover ...

View a map detailing the critical habitats of the Mount Graham red squirrel and a graph charting the squirrels' population decline. (Adobe Acrobat required) Scientists think red squirrels were much ...

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, ...

Back in 2009, red squirrels were thin on the ground in Aberdeen - instead grey squirrels were a common sight in the city's trees and parks. Today the red squirrel population is thriving thanks to the ...