Scientist trains magpies to exchange bottle caps for food using high-tech bird feeder
An expert in robotics and artificial intelligence has trained wild magpies to trade-in discarded bottles caps in exchange for food. Hans Forsberg constructed a DIY ‘birdbox’ consisting of a dispenser that releases food pellets and another compartment fitted with sensors to detect when a cap is dropped into a hole. A YouTube video shows a bird, … Read more