Clever cockatoos are teaching each other how to open trash bins in Australia Sulphur-crested cockatoos in Australia are teaching each other how to pry trash bins open, and the phenomenon is rapidly spreading. Social Sharing CBC Radio · Posted: Jul 28, 2021 4:43 PM ET | Last Updated: July 28 A sulphur-crested cockatoo opens the lid of a trash can in Sydney, Australia. (Barbara Klump/Max Planck Institute of Animal Behavior/The Associated Press)