Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel ...

The North American squirrel is an oft-seen but under-recognized staple of North America. They operate on a low-key level but ...

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 ...

Some see squirrels as adorable, bushy-tailed creatures that run in circles around tree trunks before they finally race up ...

Wildlife agencies counted 232 squirrels on Mount Graham, about the same as a year ago, which is good news during a drought.

Scientific investigations before and during the COVID-19 lockdown in Berlin in 2020 show that urban red squirrels are extremely flexible in adjusting their diurnal activities to the presence of humans ...

The Mount Graham red squirrel continues its climb back from the brink, seven years after a wildfire nearly wiped it out. The endangered rodent’s numbers have jumped by more than 61% over the past year ...

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.