Optical Illusion: Spot the blue eyed fox in this image within 13 seconds

This is one of the more difficult optical illusions we've seen in a long time.     

Many brain teaser experts have scratched their heads looking for the puzzle's hidden animal.    

Find a blue-eyed fox in this optical illusion image. Examine the image below to find the fox with blue eyes in the pack.    

In approximately 13 seconds, locate the fox with blue eyes among all the brown-eyed foxes.     

You have 13 seconds to find the hidden fox. Believe us, it is possible. The test was created by Book An Eye Test, which has its headquarters in the United Kingdom.     

They believe the test will take more than one minute to locate the hidden fox. However, many users claim to have discovered the hidden fox in less than 10 seconds.    

We'll provide a hint. The fox you seek has a larger-than-average skull. It's on the left side of the puzzle. Re-examine the image.    

Because the eyes are small and there are so many foxes, users are prone to seeing blue eyes everywhere.     

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