There are 83 cows in this illusion but only one dog- you could have a high IQ if you spot the sneaky pooch in 11 seconds

ONLY a true genius can spot a sneaky dog hidden among 83 cows in just 11 seconds.

You could prove you have a high IQ if you succeed in solving this tricky illusion.

This image will leave you scratching your head as you race the clock to figure it out in time.

Optical illusions are an entertaining way of improving your observational skills and testing your perception.

Brain teasers like this are for people who enjoy challenging their creative thinking with fun games and puzzles.

In this viral image of cows, puzzlers are challenged to find a dog hiding among them in plain sight.

Only one per cent of people can find the hidden pet in the given time.

The dog can be easy to miss as he blends perfectly with the rest of the cows.

Many viewers were baffled as they couldn’t find the answer, no matter how much they stared at the picture.

But don’t give up yet – you can still moo-ve up to the top per cent of puzzlers.

In the meantime, why not try racking your brain with other illusions?

Prove your skills with this mind-boggling image of a dancing woman.

Or test your eyesight with this…