Animals & Machines

St. Thomas Aquinas, in Summa contra Gentiles, compared animals to machines--lacking reason, animals behave in a prescribed sequence of actions, much like how a crossbow bolt is propelled forward by the force of the bow. What, I wonder, would he make of these animals, from various species, that attack drones? 

I suppose he might take it as further evidence for the similarity between animals and machines. But then there are the cats who have figured out how to use Roombas as mobile cat beds. Crows aren't the only animals who've figure out how to use tools...