... Pennulums Locomotion-induced sound Sonation Strigiformes University of California Riverside College of Natural and Agricultural Sciences University of California Libraries Quiet flight is a feature of owl hunting ecology. Flying quietly may allow owls to go undetected...

... of Anna's hummingbird offer insights into flight performance limits . Proc. R. Soc. B Biol. Sci. 276 , 3047 - 3052 . 10.1098/rspb.2009.0508 Clark , C. J. ( 2018 ). Signal or cue? Locomotion-induced sounds and the evolution of communication . Anim. Behav. 143 , 83 - 91 . 10.1016...

... of hummingbirds is Gutin or ‘load’ noise: the equal, opposite reaction to aerodynamic forces developed by flapping wings. Adventitious sound Locomotion-induced sound Gutin sound Helmholtz number Sonation Trochilidae The whine of a mosquito right by one's ear may be among the most universal...

... http://www.biologists.com/user-licence-1-1/ Summary: The sexually selected 9 kHz wing trill of male Allen's hummingbirds is substantially louder in maneuvers than in rectilinear flight, and appears to be produced in supination. Adventitious sound Locomotion-induced sound Sonation...

... klaxon-like wing song by aeroelastic flutter of wing feathers P6 and P7, and not the outer primaries P9/P10. Display Sonation Wind tunnel Non-vocal communication Locomotion-induced sound Of the many bird lineages that have evolved non-vocal acoustic signals produced with the wings...