Round the Sphere Again: Critters

Not Fuzzy or Friendly
Stinging Caterpillars of the United States (The Ark in Space). When it comes to caterpillers, here’s the guideline: If it looks “spiny, spiky or furry,” you’ll want to leave it alone, since it’s probably able to sting you. 

Not So Obvious
Do you know a rodent when you see one? Mice? Yes. Rats? Yes. Porcupines? I know this, too, because of last fall’s porcupine adventure. Raccoons? I’m not so sure. And while we’re at it, what common animal used to be classified as a rodent, but isn’t? The answers to these questions and more are in this piece from mental_floss Blog.