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Crow Minds Twice as Fast
A study published in *Science* found that two carrion crows (*Corvus corone*) identified the direction in which dots were moving on a screen in an average of 235 milliseconds, with accuracy approaching 100% when the direction was clear. The researchers recorded activity in 248 neurons, which allowed them to predict a crow’s choice about 70 milliseconds after the dots appeared. The findings point to crows’ ability to make rapid visual decisions. However, the study did not directly compare them with humans or monkeys and included only two birds, so the reasons for their potential advantage require further research.
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