3 facts
Studies show pigeons can identify themselves in a mirror, a rare trait among animals, indicating self-awareness. They also demonstrate an ability to understand abstract numerical rules, differentiating between quantities of objects, which challenges previous assumptions about bird 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.