From Alvin and the Chipmunks to Over the Hedge, both squirrels and chipmunks have featured in some of the best animated movies. But they’re not the same thing, right? Or are they? I don’t know about ...

They're not called the “ninja of the forest” for nothing. When night falls, the Siberian flying squirrel glides through the air from tree to tree in the forests of Hokkaido. But when the ...