Border Collie doing a Sudoku puzzle

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Size: 3516px × 5284px
Photo credit: © Ashley Cooper / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: addicted, addicts, biro, bizzare, black, border, brain, breed, canine, clever, collie, dog, frustrating, frustration, funny, green, humour, humourous, inteligence, inteligent, leg, mathematics, maths, numbers, paw, pen, puzzle, quirky, quizz, struggle, stupid, sudoku, teaser, time, waster, wasting, white