New Study Proves Crows Understand the Concept of Numbers

Crows may have bird brains but they're not dummies, according to a new study by a Japanese research team. Test results published in the October issue of Animal Behavior indicate crows are able to understand the concept of numbers and can recognize symbols representing quantities.

Source: http://inventorspot.com/articles/new_study_proves_crows_understand_concept_numbers

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