In a behavioral experiment, crows were able to learn to produce a set number of calls. This involves them planning in advance. From the soun
In a behavioral experiment, crows were able to learn to produce a set number of calls. This involves them planning in advance. From the sound of the first call in a numerical sequence, it is possible to predict how many calls the crows will make. A research team consisting of Dr. Diana A. Liao, Dr. Katharina F. Brecht and assistant professor Lena Veit led by Professor Andreas Nieder from the Institute of Neurobiology at the University of TĂźbingen has established this. Their study has been published in Science. Carrion crows, which belong to the group of songbirds, are not known for the beauty of their song but for their formidable learning ability. For instance, earlier studies have shown that the birds understand counting. "In addition, they have very good vocal control. They can control precisely whether they want to emit a call or not," reports Professor Nieder. Together with his team, he undertook behavioral experiments with three carrion crows to study whether they could apply these abilities in combination.
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