Cockatoo Solving the Puzzle Box (image) University of Oxford Caption This image shows a cockatoo called 'Muppet' solving the bolt-type lock on a puzzle box. Scientists from Oxford University, Vienna University and the Max Planck Institute, have found that Goffin's cockatoos can solve complex mechanical problems that involve undoing a series of locks one after another. Credit Alice Auersperg Usage Restrictions To illustrate this story. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.