An image uploaded to Facebook shows a zeal of zebras, but somewhere among them is a much smaller black and white creature.
But finding it is no easy feat - with some people complaining that they'd spent an hour gawping at the screen before the badger appeared.
It's just the latest in a series of photo challenges to have swept the internet, but it's surely among the toughest we've seen yet.
the dress, the colour of which was either blue and black or white and gold,depending who you ask.
Perhaps the most famous example in recent months was one challenging viewers to find what was unusual in a photo of a normal brick wall.
In the past few days, the trend continued with the phone on the carpet, which blended in so well some people couldn't see it even when told where to look.
But none of them are so guaranteed to frustrate you as the challenge of finding Pedro The Cat, which was branded "nearly impossible" by viewers.
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The zebra photo was uploaded by the BBC Earth Facebook page and attracted thousands of comments moaning about how tough it is.
One person wrote: "I spent an hour looking and couldn't find it. Then I googled badger pictures and found it in 30 seconds."
Another commented: "[I've] been staring so long I'm starting to forget what a badger is supposed to look like.
While one person found it so tough that they raised doubts about whether there was even a badger there.
They said: "Perhaps it is driving people crazy because there is no badger? Have you ever given thought to it?"
For those who haven't been able to spot it, you can find the badger two zebra heads down and two in from the top left corner.
Since being published on Saturday it has been shared nearly 4,000 times and liked thousands more.http://www.dailystar.co.uk/news/latest-news/529226/Badger-among-zebras-picture-challenge-visual-black-and-white-illusion-viral-Facebook