Back in 1987, a researcher named Peter J. Fullagar whipped out his Sony Walkman Professional cassette recorder to capture a captive duck’s unusual vocalizations. The duck repeatedly yelled “you bloody fool” when enraged by the presence of strangers, much to the enjoyment of Fullagar. New research shows that this duck was, in fact, mimicking something it heard from humans.
Read This Article on Review Geek ›
https://bit.ly/394oan6
https://bit.ly/394oan6