

Since they exhibit a similar quad-strand genetic structure unique to the Protheans, Shepard realizes that the race formerly believed extinct still exists but has been completely subjugated by their Reaper masters. While exploring a supposedly derelict Collector ship, Shepard and team discover the true origin of the Collectors. Their vocal communication mostly consists of insectoid chirps and trills, although they are capable of speaking in languages other species comprehend should the need arise.

Each Collector appears to be little more than a drone with no distinctions between individuals, although there are witnessed instances of drones towering over humans and their own brethren by a significant margin. The Collectors resemble human-sized bipedal insects with a chitinous exoskeleton, two anterior pairs of what appear to be vestigial limbs, four eyes, and a distinct, large, tapering head along with fully developed wings that allow them to fly over short distances.
