This optical illusion has gone viral online and left most puzzlers barking mad.

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The real-life photograph showed a leafy forest during the middle of autumn as sunshine started to shine through its deciduous trees.

However, somewhere hidden among the landscape is the miniature dog.

It is your job to find it in less than 30 seconds.

Can you spot it?

If not, do not worry, The Sun Online has the answer for you circled in red in the picture below.

Social media users could not believe how well the corgi camouflaged into its surrounds.

“Of all things I expected to be camouflaged so well I couldn’t find it, a corgi was not on that list – Kudos, little buddy,” a Reddit users said.

“Took a while but I found him,” one added.

“It’s a very small window of time when nature provides the optimal conditions to camouflage a corgi and this good boy doesn’t even need it,” a second remarked.

In another cunning brain teaser, see if you can spot the hidden heart-shaped berry in less than three seconds.

This optical illusion challenges you to spot the correctly spelt word in less than ten seconds.

Or, try your luck and spot the rabbit hidden inside this picture in less than five seconds.

If you fancy a trip to colder climates, can you spot the five key differences in these penguin cartoons?

Meanwhile, people have been left baffled trying to spot the odd one out in this picture of peppers.

While you are at it, why not try and spot the odd cow out in the herd.

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