Battling ROD from above

  • A drone's-eye view of Kukuau's claw grasping a tree. (Courtesy University of Hawaii/Special to West Hawaii Today)

  • A UH team preps Kukuau for launch.

  • Nothing to worry about: the chainsaw-equipped Kukuau is deployed into the field. (Photos courtesy University of Hawaii/Special to West Hawaii Today)

Drones with claws and chainsaws are flying over Big Island forests, thanks to the invention of a University of Hawaii professor.