It doesn't just theoretically work. Trained falcons and eagles are being used by police forces already: https://www.google.dk/search?q=training+birds+to+attac

It doesn't just theoretically work. Trained falcons and eagles are being used by police forces already: https://www.google.dk/search?q=training+birds+to+attack+drones https://www.google.dk/search?q=training+birds+to+attack+dron... I don't know if any counter-measures are getting popular yet, but it's probably cheaper to poison or shoot them than explode them.