Entering the nest first. (VIDEO) University of Tokyo This video is under embargo. Please login to access this video. Caption The researchers found that females often fluttered their wings to prompt males to enter the nest first. Females use this gesture more often than males, but the reason for this needs to be explored in future investigations. Credit Suzuki and Sugita, 2024/ Current Biology Usage Restrictions News organizations may use or redistribute this image/ video, with proper attribution, as part of news coverage of this paper only. 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.