YOU might just have 20/20 vision and a high IQ if you can spot the hidden guard dog coming to save the geese in less than 10 seconds.

This latest optical illusion will put your eyesight and observational skills to the test as you race against the clock.

However, although this is not an impossible mission, only the most switched on and dedicated individuals will succeed.

Optical illusions are designed to enhance your cognitive skills – and this one is no different.

In the image provided by Freshers Live, a fox has managed to jump into a geese pen and grab one of them in its mouth as it prepares to tuck into a tasty dinner.

Two other geese can be seen scrambling to safety as they look to preserve their lives.

However, coming to the rescue is a mighty guard dog, although on first glance it appears he is nowhere to be seen.

Unbeknown to you, he is just hiding in plain sight – and it’s your job to find him.

But in order to do so, you must look in every nook and cranny of the image before you.

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And remember, you have just 10 seconds to do so.

However, if you are struggling, then here is how to locate the hidden guard dog.

First, you must direct your eyes to the wooden kennel behind the fox.

From there, you need to look directly above it – where you will find the guard dog’s head in between the posts of the wooden fence.

If you fancy having a go at another optical illusion, then try and spot all three differences between two cosy cabins in less than 15 seconds.

It may not look like the toughest challenge on first glance but don’t be fooled by this latest brain teaser.

The picturesque setting may be nice to look at but identifying what things aren’t present in one of the pictures is going to leave you racking your brains.

But if you succeed within the allocated time, then you must have 20/20 vision and a high IQ.