The borbu matriarch was an animal more like a colony than a single organism. They possessed fossorial legs that allowed them to burrow in the blink of an eye. It was assimilated into the Zerg Swarm, becoming the infestor.[1]


  1. Blizzard Entertainment staff. 2010-07-24. Units: Infestor. Blizzard Entertainment. Accessed 2010-07-24.