Met this little friend on the front steps today. It was pretty sluggish, so I was able to get some excellent photos. (Thanks for turning around so we can see both ends at the same time, buddy!)
It took me a little while to figure out what it was, but I finally determined that it’s the caterpillar of the rough prominent (or white-dotted prominent) moth. They like maples, so I put it on the nearest tree. I’ll keep an eye out after the leaves drop; maybe I’ll have another cocoon to raise this spring.