Hummingbird in tunnel (IMAGE) University of British Columbia Caption University of British Columbia zoologists found hummingbirds used two distinct strategies to control hovering and forward flight. Credit Anand Varma Usage Restrictions N/A License Original content 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.