New Delhi, Aug. 8 -- Optical illusions are all about using your brain to tease out the hidden objects in an image. Many of these brain teasers ask you to find the odd figure or number. But sometimes your mind has to go up against nature itself, trying to find a bird or animal that is blending perfectly into its surroundings. One such optical illusion is currently going viral on Reddit. It asks users to spot a bird hidden among a canopy of trees.

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The image, posted on Reddit under the subreddit 'FindTheSniper', challenges people to find a green colored bird in a canopy of trees. The task is harder than it looks since the color of the bird match...