>>106143168 (OP)You ready, anon. A decentralized mesh network of many different raspberries all over the city that track stray animals like pokemon go. The app has augmented reality showing recent feeding places and travel routes. You could work with local vertrenarian to spay/neuter and release with rfid chips to pin point there locations. Yearly prizes for catching them all. Bonus points for feedings or medical care given.