Squirrels are one of the most common wild animals in North America—perhaps around the world—and they can be found just about anywhere. From city parks to the remote countryside, it's hard to find a ...

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 19th century. Today, the British population of red ...

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. The ...

Squirrels are a common sight you might not think twice about. But researchers like UC Davis behavioural ecologist Sonja Wild say there’s a lot they can teach us. For the last few years, she’s helped ...