What a great capture. He is really camouflaged! This is a wonderful shot and I hope it will be appreciated. The only thing that is problematic for me is that the colors are so similar and muted that it loses a little impact. I don't know if black and white would look better or worse. Another idea is bumping up the contrast.
I think too many people misinterprated the challenge. A photo doesn't qualify for the branch challenge JUST BECAUSE there's a branch somewhere in the photo. Try getting more creative!
Good use of DOF. Perhaps this shot could use a touch more sharpness and/or a contrast adjustment to really bring the foreground and main subject out. Also, it would be a much more interesting shot if the lizard was shot at a lower angle to make it look like you are sharing the branch with him. Good luck in the challenge and keep shooting!
This image is lacking in technique. The constrast is rather shallow. The far branch competes with, rather than compliments, the head of the lizard.
As for the challenge topic...your title says it. This is a lizard on a branch, not a branch with a lizard on it.