Philip Cox has received funding from the Royal Society. Red squirrels have been replaced over a large part of Great Britain by the non-native grey squirrel, introduced from North America in the late ...

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 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 ...