3 facts
Studies show crows can remember specific people who have wronged or been kind to them, and even pass this information to other crows. They hold grudges and can form complex social networks, displaying remarkable intelligence.
Despite making up only about 2% of your body weight, the brain consumes around 20% of the body's total oxygen and calories. It's an incredibly energy-intensive organ, constantly active even during sleep, managing countless functions.
Studies have shown that crows can remember specific human faces for years and even teach other crows about 'dangerous' individuals. If you treat a crow badly, it might remember you and share that information with its flock, leading to collective scolding.