YOU have the eyes of a hawk if you can spot the puppy hiding in this park.
Many believe they are at the top of their brain teaser game, but this one may be harder than you think.
The mind-boggling image is busy, lacks colour and has baffled illusion lovers.
In the image, a white dog is camouflaged amongst a wintry forest scene, with picnic tables gathering snow.
But as the only colours are the dark browns of the tree trunks and white of the snow, it's difficult to spot the white and brown husky.
However, if you look closely you'll spot the pooch tucked away.
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Near the bottom left-hand corner you'll discover the dog sitting at the base of a tree, behind the picnic tables.
If you spotted the hound within 12 seconds, you indeed have the eyes of a hawk.
If this optical illusion was too easy - or hard - for you there are plenty more you could try.
In this brain teaser, you can test your vision by seeing if you can spot the crown-wearing corgi among a sea of the dogs in under 49 seconds.
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You might also have some seriously impressive vision skills if you can find the odd rose out in this sea of thorny flowers in less than 10 seconds.
In this puzzle, see if you can spot the two birds hiding in this rural scene.
You can also discover your dominant personality trait by seeing which animal you spot first in this puzzle.
In another illusion, whichever animal you see first can tell you whether you are a people pleaser or not.
Or delve into the depths of your personality with this mind-bending illusion that promises to decide if you are naive or a cynic.
Perhaps you may prefer showing off your incredible perception by working out what is really going on in this snap of a deformed goat.
And in this wordier-style brain teaser, you might have a whip-fast mind and sharp eyesight if you can discover the rogue word in under five seconds.
But others may prefer trying to quickly spot the rogue vegetable among these bold-coloured fishes.