I’ve never seen origami so detailed and realistic. Here are a few examples, and you can see more here (go have a look).
And, for P.Z., despite his continual harassment via “Anti-Caturday” posts, here’s The Attack of the Kraken:
Finally, a mayfly:
And lest you think this is a hoax, here’s the single-sheet outline for the mayfly. I’m told you can design things like this now on the computer: