According to Live Science, researcher Andreas Nieder has documented a surprising ability in crows: they can grasp statistical reasoning. In studies, these birds reliably chose the mathematically advantageous option—suggesting they process probability much like humans do. Nieder has also explored how animals understand concepts like zero. The findings reshape how we think about cognition: mathematical reasoning isn't unique to primates, and understanding how crows calculate odds could illuminate the roots of human math abilities.

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