An American crow (Corvus brachyrhyncho) calls from a tree. BoukeAtema / iStock / Getty Images Plus
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Crows are highly intelligent, social birds found on every continent other than South America and Antarctica.
In a new study, researchers from the Institute of Neurobiology at Germany’s University of Tübingen have found that crows are able to learn to produce a specific number of calls, showing advance planning.
How many calls they will make can be predicted from the first vocalization in a sequence, a press release from University of Tübingen said.
“Producing a specific number of vocalizations with purpose requires a sophisticated combination of numerical…
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