From giggling rats to honeybee queen quacks: The interesting sounds heard on CBC Radio in 2020 It's safe to say 2020 has been a year unlike any other in recent memory, and that's reflected in some of the fascinating sounds that were broadcast on CBC Radio this year. Social Sharing CBC Radio · Posted: Dec 28, 2020 7:00 AM ET | Last Updated: December 28, 2020 What were your favourite sounds from CBC Radio shows in 2020?(University of Bristol, Sean Gallup/Getty Images, Maxim Chakilev)