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Can you spot the puma blended in perfectly with its surroundings in this image?
Photographer Greg Harvey, 51, took the photos of the elusive big cat in Patagonia, Chile, to test his expert guides.
While the observant found the puma with no trouble, it might not be so easy for the rest of us.
Pumas, also known as cougars or mountain lions, can be found across north and south America and often live in mountainous regions.
If you're struggling, here's a hint: it's not in the water.
Have you found the big cat in this picture from Patagonia? Here's a hint: the puma's not in the water
As this is a hard one, here's a zoomed-in picture. Can you see the big cat now?
Male pumas can grow to 2.4metres in the wild and weigh an average of 62kg. Females are shorter and weigh around 42kg.
Pumas living near the Equator are smaller than those living further north or south.
The big cats are solitary and can travel more than six miles every night in search of their prey, making it even harder to track them down.
You'll have to get up early or stay up into the night to catch a glimpse of one, as they are most active at dawn and dusk and during the night.
The Chumash, Tataviam and Gabrielino (Tongva) tribes recently buried South California's most famous mountain lion, P-22, in the Santa Monica mountains
Here's it is! The mountain lion, hiding in the scrub bushes, is very difficult to spot but expert tour guides can see them easily