Shanks are small flying robotic drones used by the Fallen.
Destiny - Fallen Shank Destiny fallen, Destiny, Concept art
Exploder Shank - Destinypedia, the Destiny wiki
Praksis, the Technocrat - Destinypedia, the Destiny wiki
Heavy Shank - Destinypedia, the Destiny wiki
Skolas's Ketch - Destinypedia, the Destiny wiki, skolas
Roln'gur, Blade-bound to the Terrace - Destinypedia, the Destiny wiki
Resilient Homing Shank - Destinypedia, the Destiny wiki
Tracer Shank - Destinypedia, the Destiny wiki
Cabal, Destiny Wiki
Niik - Destinypedia, the Destiny wiki
Hunter, Destiny Wiki