Crows are more than just intelligent birds; they possess exceptional memory and grudge-holding abilities that have left scientists in awe. A recent study from the University of Washington has revealed that crows can recall threats for up to 17 years, making them one of the most intelligent bird species.
Researchers led by Professor John Marzluff used a unique approach to study crow behavior. By wearing a mask and feeding the birds, they created a familiar yet threatening presence. The results showed that 47 out of 53 crows scolded him, indicating that these birds could recognize human threats and pass on this knowledge to their kin.
The study also involved using a “neutral” mask bearing Dick Cheney’s likeness, which fed the crows without causing distress. This demonstrated the crows’ ability to discern between harmless and threatening individuals. Unknowing volunteers later wore similar masks, sparking avian wrath in some cases.
Residents in Dulwich, London, shared harrowing experiences with aggressive crow behavior, including dive-bombing attacks on residents who tried to exit their cars. These instances highlight the importance of crows’ memory and grudge-holding abilities.
The University of Washington study contributes to affirming crows’ intelligence and cognitive sophistication. They exhibit complex social structures, communicate through various calls and body language, and even possess cultural transmission – passing knowledge from one generation to the next.
Crows’ exceptional abilities make them revered in many cultures, often symbolizing intelligence and adaptability. Their unique capacity for memory and grudge-holding has left scientists in awe, solidifying their place as one of the most intelligent bird species.
Source: https://www.earth.com/news/crows-hold-grudges-for-up-to-17-years