CrowdScience - How do you identify an optimistic crow? - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds

CrowdScience - How do you identify an optimistic crow? - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds


How do you identify an optimistic crow?

Do crows enjoy solving puzzles? Biologist Cody McCoy devised an experiment to find out

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