When light is shined in a frog's eyes it actually puts them in a trance. They will remain still, making it easy for them to be gigged, or stabbed with a long pole. "Some people use broom sticks ...

Fabulous JUMP TO IT You could have eyes as sharp as a hawk’s if you can spot the frog in the forest in five seconds All recommendations within this article are informed by expert editorial opinion.

The frog can be spotted sitting at the top left side of the image. If you loved this optical illusion challenge, remember to try out some more challenges from our must-try section below.

A model for investigating developmental eye repair in Xenopus laevis. Experimental Eye Research, 2018; 169: 38 DOI: 10.1016/j.exer.2018.01.007 ...