Whether Birds Flap, Glide, or Soar Determines Wing Range of Motion (But Not Wing Shape) (1 of 9) (image) American Association for the Advancement of Science Share Print E-Mail Caption Composite image of a glaucous-winged gull gliding through the air. This material relates to a paper that appeared in the Oct. 23rd, 2019, issue of Science Advances, published by AAAS. The paper, by V.B. Baliga at University of British Columbia in Vancouver, BC, Canada, and colleagues was titled, "Range of motion in the avian wing is strongly associated with flight behavior and body mass." Credit Vikram B. Baliga Usage Restrictions Please cite the owner of the material when publishing. This material may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.