To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Real speed video of Kestrel 1 performing a flight test, showing the output geometry from the motion capture system and indicating what a wind hover is defined as. Steady as they hover: kinematics of kestrel wing and tail morphing during hovering flights Mario Martinez Groves-Raines, George Yi, Matthew Penn, Simon Watkins, Shane Windsor, and Abdulghani Mohamed Journal of Experimental Biology 2024. 227:None-None; doi: 10.1242/jeb.247305 Download Original Video