In the latest Where's Wally-style puzzle, created by California-based artist Matthew Merrill, a panda's face has been buried among a herd of colourful elephants - and it's proving surprisingly tricky to spot.
The illustration sees dozens of elephants' heads in shades of brown, yellow, grey and white. However the black ink used to outline their eyes and ears mean that the monochrome panda (circled) is all butcamouflaged.
