title: "Wing-flapping" develops in wingless chicks.
mesh_terms: D000818:Animals; D002645:Chickens; D005426:Flight, Animal; D009068:Movement; D010525:Peripheral Nerves / Q000502:physiology; D011984:Sensory Receptor Cells / Q000502:physiology; D014921:Wings, Animal / Q000294:innervation*