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Crows Can 'Count' Out Loud, Study Shows
An anonymous reader quotes a report from ScienceAlert: A team of scientists has shown that crows can 'count' out loud -- producing a specific and deliberate number of caws in response to visual and auditory cues. While other animals such as honeybees have shown an ability to understand numbers, this...
An anonymous reader quotes a report from ScienceAlert: A team of scientists has shown that crows can 'count' out loud-- producing a specific and deliberate number of caws in response to visual and auditory cues. While other animals such as honeybees have shown an ability to understand numbers, this specific manifestation of numeric literacy has not yet been observed in any other non-human species. We show that crows can flexibly produce variable numbers of one to four vocalizations in response to arbitrary cues associated with numerical values."
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