"The brainy birds carry big chips on their shoulders, scientists say. And some people who become subjects of their ire may be victims of mistaken identity."
* A study by Dr. John Marzluff found that crows can hold a grudge for up to 17 years.
* Experts believe that crows may attack humans due to mistaken identity, with some cases possibly triggered by the presence of similar-looking individuals (e.g., people with long blond hair).
* Some Vancouver residents have found creative ways to avoid or appease the crows, such as bribing them with food.