Field Approach Trial (IMAGE) PeerJ Caption Inefficacy of mallard flight responses to approaching vehicles. Credit https://doi.org/10.7717/peerj.18124 Usage Restrictions Credit must be given to the creator. License CC BY 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.