3 facts
Studies have shown that cows develop strong bonds with specific individuals within their herd. When these 'best friends' are separated, cows exhibit signs of stress, including elevated heart rates and reduced social interaction, just like humans.
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.
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.