Crows can understand probability like primates do
Carrion crows perceive likelihood
Shutterstock/Rudmer Zwerver
Crows could make choices in line with the chance of getting a reward – a cognitive feat recognized to mathematicians as statistical inference, and barely discovered exterior of primates.
“‘Chicken mind’ is commonly used as an insult, however that’s not likely the case,” says Melissa Johnston on the College of Tubingen in Germany.
Her staff skilled two carrion crows (Corvus corone) to peck at 9, different-coloured symbols to obtain a reward: a small meals pellet or worms. Every image was related to a unique likelihood of receiving …
