THIS optical illusion has been stumping even the most fanatic puzzle players across the world.
Onlookers have been told that they could have 20/20 vision and the IQ of a genius if they manage to spot the cougar hidden in this image.
For those puzzle-heads among you, there's an added catch: you have to try and find the sneaky predator within seven seconds.
So, grab a timer, set it to seven seconds, and prove your puzzle-solving skills.
Although it may seem like an ordinary image, this is no easy feat and only one per cent of people are actually able to spot the cougar.
Brainteasers like this are purposefully designed to trick our vision, and are increasingly being used as simple determiners of intelligence.
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Psychologists at The University of Glasgow found that staring at a brainteaser can actually drastically improve eye sight as frequent puzzle players can see small print with greater ease.
And according to ZenBuisness: "These visual puzzles can give you a good mental workout that can, in turn, help you think more efficiently and solve problems more easily."
Optical illusions are widely regarded to help improve our attention spans, concentration, and overall cognitive function.
Brainteasers where you have to find an image within an image aids your brain's ability to interpret ambiguity.
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It helps to keep your brain sharp and young.
This puzzle is made particularly tricky through the varying shades of brown and green colour used throughout the image.
The long grass, bushes, trees and twigs offer the perfect camouflage for the sneaky cougar, as your eyes find it hard to focus on any one object.
If you'd like some help, try breaking the image down into several sections. Then search each section slowly, one at a time.
If you found this puzzle too easy, try some of our other brain teasers.
Test your vision by trying to spot the sneaky Santa hiding amongst the cars and Christmas trees in this image.
Only the top nine per cent can find it within 17 seconds!
Or test your IQ by trying to find the green snowman camouflaged by Christmas trees in this optical illusion.
If you can find it within 15 seconds you might have 20/20 vision – but, it's not that easy.
This illusion is created to test your observational skills.
We've also added a bonus puzzle below for you!
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But, have you found the prowling predator yet?
If you couldn't find it within seven seconds, don't worry, we have the answer for you.
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