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 ...

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 ...

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 ...

Distinctive features separate Britain's red and grey squirrels, with grey squirrels posing a formidable challenge to red ...