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 ...

For the past two summers, I have spent time as the personal servant to a couple of (according to one scholarly source) "semi-fossorial sciurids" -- members of the squirrel family that spend some of ...