Morning Overview on MSN
Scientists just found that crows can hold a grudge for years — recognizing the exact faces of people who once wronged them and scolding them on sight
In 2006, a wildlife biologist named John Marzluff walked across the University of Washington campus in Seattle wearing a ...
Morning Overview on MSN
Crows were just caught holding a grudge for years — recognizing the exact faces of people who once wronged them and scolding them on sight
In 2006, a wildlife researcher at the University of Washington pulled on a rubber caveman mask, walked onto campus, and trapped a handful of wild American crows. It was a routine banding operation.
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