Swifts = plural of vencejoEl common swift (APUs apus ) It is a bird of the apodiforme family of the Swifts, specially adapted for flight, sickle-winged, short of fork-tailed shallow, very wide and large mouth topped with a small beak, feathers blackish with a small portion of white or grey under peak, very short legs without thumb opposable, and tiny claws but extraordinarily strong prey that allow " hang " in high cliffs, vertical walls and high places from which resumes the flight since if it falls to the ground you experience great difficulty in tracing the flight by special morphology wing and short legs. If a fallen guy is, you can help are you tracing flight grasping and releasing it from a high place. The etymology of Apus apus comes from the ancient Greek where " apus " ( ¬Â DO 41 AA; means " Footless ".
