A study has found that Eurasian jays can pass a version of the 'marshmallow test' and those with the greatest self-control also score the highest on intelligence tests.
This is the first evidence of a link between self-control and intelligence in birds.
Washington [U.S], July 23 (ANI): Fifty years after the famous 'marshmallow test' found that children who resist temptation do better on measures of life success, a study of preschoolers in Boulder and Japan reveals that what kids are willing to wait for depends on their cultural upbringing.