He can be recognised by his big, sad eyes, but stuck among other large-eyed animals in the picture he becomes hard to spot.
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The picture, from Playbuzz, first had puzzlers stumped earlier in the year however it's resurfaced and people are scratching their heads once more.
Spot the red dot
When you look at this red dot, what do you see? If your eyesight is good enough you'll note a picture hidden inside the circle.
The brain teaser purportedly tests the viewer's vision, and people claim to see everything from a slim outline to a detailed picture.
Currently trending online, many viewers report being baffled by what the image actually shows.
Given the option to flip the image, the overturned dot reveals a detailed sketch of a horse with a mane, tail, saddle and bridle.
Try the test and find out what you can see.