You have the eyes of a hawk if you can spot the sneaky bird hiding amongst the rocks in just 30 seconds
ONLY eagle-eyed viewers are able to spot the hidden bird in 30 seconds.
The brain-busting image was taken by Belgian photographer Laurence Debailleul.
He captured the photo while climbing Ben Wyvis in North Inverness, and has now become a head-scratching optical illusion.
For most observers, the image seems to be made of rocks scattered across the hillside.
But take a second look and see if you should be able to spot the animal hiding in plain sight.
Have you spotted it yet?
Don’t worry if not, the answer is revealed at the bottom.
The picture first appeared online in 2016 but has resurfaced again among a new audience of optical illusion fans.
Discussing the image, Laurence said: “I first heard the noise of the birds but struggled to spot them – then I saw four of them blending into the background.
“I took some pictures in the hope I might capture one of them.
“As I looked through my photos from the day I thought I’d missed them but just as I was about to hit delete I spotted it.”
Has that challenge whet your appetite?
There are many different types of optical illusions, some can alter the way you see the world around you while others are tricky brain-teasers.
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Elsewhere, you may have 20/20 vision if you can spot the bee that can sting you in under 10 seconds.
Only those with the eyes of a hawk will be able to spot the stinger in this tricky brainteaser.