Another optical illusion is making its rounds on the internet -- but this one is deadly.
Though you might think you are mindful of snakes when wandering through wildlife, this photo proves that one can strike at any moment.
Can you spot the snake?
Twitter user @SssnakeySci shared the image, followed by a hint in case you have trouble finding the serpent among the leaves.
The hidden snake, a copperhead, is extremely dangerous.
"Cute but venomous, so no touchy!" she tweeted.
Here's the hidden snake, in case you couldn't find it: