This is going to be a hard one. Reader Bob Woolley emailed me on Saturday with photos and the following information:
I was hiking yesterday at the “Blue Wall Preserve,” a joint project of The Nature Conservancy and various other private and public entities. It’s in South Carolina, just a stone’s throw from the North Carolina border. “Blue Wall” was the Cherokee name for what we now call the Blue Ridge Mountains.
I came across a pond and noticed this frog. I have no idea what species it is, because what you see in these pictures is all that I saw—far from enough detail to try to make a proper identification. But still, the critter’s effective camouflage might make a challenging “spot” puzzle for your readers.
So, do your best! But please don’t say where it is in the comments; just note if you did or didn’t see it. The reveal will be at 11:30 a.m. Chicago time.

Couldn’t find the drink, but there is a tree stump that looks like a pig’s face……
Hey I found ‘er!
This one was beautiful to do – the depth and layers and light – an exercise!
Comment by Greg Mayer
It looks like a young (but fully transformed) Green Frog (Rana clamitans).
GCM
That was a tricky one.
Nice frog!
Difficult, but once you recognize it, you’re sure.
Took a while.
1 minute 35 seconds and still nothing!
Got it. That was challenging!
I found it within the first 30 seconds – which is a record for me because I usually can’t find these at all!
Same here. Guess we’ll see.
This was a good one! It took me about 2 minutes to find it.