Our photo of the day, riddle edition, comes from Australia's beautiful Fairy Bower.
Somebody is doing a pretty good job of a sand whiting impression – as if saying, "don't mind me, nothing to see here." How long did it take you to spot the odd one out?
Would you like to see your nature photo featured as the TreeHugger photo of the day? Join TreeHugger’s Reader Photo Pool on flickr and add your pictures to the group.