The thing you can't see is a leaf-tailed gecko, a creature that has evolved to look like bark, leaves and twigs. It's so good at pretending to be other things that, most of the time, you can't even tell it's there when you're actively looking for it. At least, until it blinks. Here it is without the branch:
It's pretty obvious, right? So where did it go?
What is this, a snipe hunt?