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Crows Make Visual Decisions Twice as Fast as Humans in New Brain Study

By Raju Saha • 13/11/2026

We often think of human brains as the fastest and smartest decision makers on the planet. Yet, a surprising new study shows that the common crow can process visual information and make a choice in half the time it takes a human. Researchers from the University of Tübingen in Germany tested how quickly these clever birds react to moving patterns on a screen, and the results amazed scientists.

To find out how fast crows think, researchers Philipp Schmidbauer and Andreas Nieder designed a special touchscreen game for two carrion crows. The birds were shown a cloud of white dots moving across the screen. Most of the dots drifted either to the left or to the right, while other dots moved in random directions to create a distraction. The crows had to figure out the main direction of the moving dots and peck a target on the matching side of the screen. Whenever a bird picked the right side, it received a tasty mealworm as a reward.

Over thousands of rounds, the scientists measured both the speed and accuracy of the birds. On average, the crows took just 235 milliseconds to look at the moving dots and peck the right answer. A millisecond is one thousandth of a second, meaning the birds completed their entire thought process in roughly a fifth of a second. When humans and monkeys took the exact same visual test in earlier studies, they needed roughly twice as much time to reach a decision.

Normally, making fast choices leads to more mistakes, yet the crows proved that speed does not have to ruin accuracy. When the dots moved clearly in one direction, the birds got the answer right nearly every single time. Even when the researchers made the test very hard by having only three percent of the dots move together, the crows still chose the correct side far better than random guessing.

While the crows played this touchscreen game, the researchers also watched what was happening inside their brains. They recorded signals from 248 individual brain cells in a region that helps birds plan and make choices. The recordings showed that the crows' brain cells started preparing the correct answer just 70 milliseconds after the dots appeared on the screen. As the bird watched the screen, brain activity steadily built up like a progress bar filling up until the bird was ready to peck.

What makes this discovery even more fascinating is how different a bird brain looks compared to a human brain. Humans and monkeys have a layered outer brain region called the cerebral cortex, which handles complex thinking and vision. Birds do not have this layered structure at all. Even so, the study proves that crow brains follow the exact same basic rules for gathering visual clues and reaching a decision as primate brains do, only much faster.

Scientists believe that survival in the wild explains why crows developed such lightning-fast minds. Unlike humans who walk on the ground, birds spend much of their lives flying through trees, dodging obstacles, and catching moving food in midair. When flying at high speeds, a fraction of a second can mean the difference between a safe landing and a dangerous crash. Birds also rely on sharp, quick vision to guide their beaks precisely toward seeds and insects while searching for food.

Crows are already famous in the animal kingdom for their remarkable intelligence. Past studies have shown that they can bend twigs into tools, recognize human faces, remember people who treated them badly, and even count up to four. Published in the journal Science in October 2026, this latest research adds incredible processing speed to their long list of mental talents.

For everyday readers, this study changes how we look at the black birds perched on neighborhood power lines and tree branches. Behind their small eyes lies a super-efficient brain capable of outpacing human sight and reaction times. Researchers say they still want to learn the exact biological tricks that allow bird brain cells to fire and connect so rapidly.

Understanding how nature built such a fast and compact thinking machine could also inspire future technology. Engineers who design self-driving cars, flying drones, and smart cameras are always looking for ways to help machines recognize movement faster without using huge amounts of computer power. By studying the humble crow, scientists are uncovering new secrets about how brains of all shapes and sizes make sense of a fast-moving world

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