The brainteaser features a stag leaping through the grass, and only those with eyes of a hunter can spot a second animal in less than 10 seconds.

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Optical illusions and puzzles are good for improving cognitive function and memory.

They help you flex your brain while challenging you to think outside the box.

This particular brainteaser shows a detailed sketch of a stag prancing in the mountainous wilderness.

He’s surrounded by branches and trees, and has his two legs in the air as he hops along.

But, hidden within the majestic scenery is a dog, and it’s your task to find him.

Here’s a hint: try scanning individual sections rather than looking at the sketch as a whole.

This puzzle is tricky. Have you found him yet?

There is 10 seconds on the clock.

The image is so detailed that it’s hard for the eyes to concentrate.

The shading and unique brush strokes make it challenging to know where to look.

Have you given up yet?

The puzzle might be a bit easier to solve if you search for a dog that is facing in the same direction as the stag.

It too is frolicking through the wilderness.

To find it, you must look directly under the deer’s breast.

You’ll notice a head right under the stag’s front leg.

And the dog’s body is right under the deer’s belly.

They are both running along, legs fully stretched as they leap over a rock.

Below, you will find the answer to the puzzle.

While you’re scrolling, try challenging your brain with more optical illusions.

Can you spot the rabbit head hidden among the hawk?

A wild horse hides the face of his owner. Can you find him?

And there is a hidden fox among the geese in a vintage trading card.

If you find him, you might have the eyes of a hawk.

Time is ticking – did you solve all of the puzzles?

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