WHile this article isn't about them, using pidgeons trained to peck at images of ships was looked into as a guidance system for early anti-ship missiles. - see

WHile this article isn't about them, using pidgeons trained to peck at images of ships was looked into as a guidance system for early anti-ship missiles. - see https://en.wikipedia.org/wiki/Project_Pigeon https://en.wikipedia.org/wiki/Project_Pigeon