LOOK closer at this image - a hunter is lurking in the shadows.
Somewhere in the fiendish puzzle is a hidden tiger among a pack of foxhounds, but only the sharpest eyes will find it.
Tigers are adept at blending in with their surroundings ready to ambush unsuspecting prey.
And that is just what this one is doing in a new ten-second-challenge optical illusion.
That's how long that creators give you to track down the stripey big cat.
You could have the eyes of a marksman if you spot the sniper in 10secs
Many viewers will reckon it's not nearly long enough as they are left scratching their heads.
At first glance all the picture appears to show is a pack of 15 or more hounds ready for the hunt.
Where is there room for any other creature?
If you are stuck, try looking in the shadows over on the right hand side.
You might just make out the giveaway stripes that reveal a killer's hiding place.
If you still can't see it, keep scrolling down for the answer.
Last month another tricky puzzle challenged viewers to spot a tiger among a herd of zebra on a grassy plain.
Another asks you to find all 16 tigers in a jungle scene - and it's trickier than you might think.
Meanwhile see if you can work out what's going on in another surprising illusion.
It looks like a boat on the sea - but it's actually something totally different.
Tree appears to be full of leaves in winter - but can you spot what's going on?
And earlier this week pictures showed a tree that seemed to be in full leaf in the middle in winter in South London.
A closer look reveals all is not as it first appears.
