When we think of intelligence in the animal kingdom, we often look toward our loyal companions—dogs and cats. However, recent ethological studies across the UK are turning this hierarchy on its head. In the world of avian intelligence, the corvid family, which includes crows, ravens, and particularly magpies, is demonstrating cognitive abilities that rival those of primates. When put to the test, these “feathered geniuses” frequently outperform most common household pets, particularly in the realms of spatial memory and complex problem solving, challenging our understanding of what it means to be a “smart” animal.

The secret to corvid intelligence lies in the density of neurons in their forebrains. While a dog may have a larger brain in absolute terms, a magpie has more neurons packed into a smaller space, specifically in areas associated with higher-order thinking. In standard memory tests involving “object permanence” and “hidden food retrieval,” magpies show an uncanny ability to remember the location of hundreds of different caches. Unlike most pets, who often rely on scent or human cues to find a treat, the magpies use a sophisticated internal map, demonstrating a level of mental “time travel” that allows them to plan for future hunger.

Furthermore, problem solving in corvids often involves the use of tools and an understanding of cause-and-effect that baffles researchers. In a famous experiment replicated in various UK labs, magpies were able to use stones to raise the water level in a tube to reach a floating piece of food—a task that most dogs fail to grasp without extensive training. This ability to innovate on the fly shows that corvid brains are hardwired for flexibility. While our outperform excel at social intelligence and reading human emotions, the magpie is a master of the physical world, using its memory and logic to navigate the complex urban and rural environments of the British Isles.