Optic flow stabilizes flight in ruby-throated hummingbirds

摘要: Flying birds rely on visual cues for retinal image stabilization by negating rotation-induced optic flow, the motion of panorama across retina, through corrective eye and head movements. In combination with vestibular proprioceptive feedback, may also use to stabilize their body during flight. Here, we test whether artificially induced wide-field generated projected patterns elicits maneuvers in orientation flight position, addition stabilizing vision. To this hypothesis, present hummingbirds flying freely within a 1.2 m cylindrical arena virtual surround rotated at different speeds about its vertical axis. The responded robustly these perturbations rotating heads bodies moving surround, adjusting trajectories, following surround. Thus, similar insects, appear flow control as well inputs.