Lisa who goes by the name @ostdrossel on Instagram has always been fascinated by nature and different bird types. So she came up with a brilliant idea: she uses a bird feeder cam, which consists of a camera box, a macro lens, and an attachable bird feeding platform. The camera is tiny and equipped with a motion sensor so that when a bird comes to eat, it photographs birds a non-intrusive way. Scroll down to see the best pictures!