Crows are highly intelligent. They can recognize faces, hold grudges, and even recognize cars.
Crows cache food, and will move it if another creature sees them hiding it. They use tools, and fashion tools from twigs, forming them into the right shape for the job, making hooked tools to snag food.
Most of the corvid family, which includes ravens, jackdaws, and jays, as well as crows, seem to try new things, investigate new situations, and take advantage of new opportunities.
In a now-famous experiment, researchers at the University of Washington made some enemies. They trapped, banded, and released wild crows (an upsetting experience for the crows, even though the crows weren’t harmed) while wearing caveman masks. Researchers who weren’t involved in the trapping wore masks that looked like former U.S. Vice President Dick Cheney.
Later, the researchers returned to the area, again wearing the masks. The crows who had been ...