Rainbow Bee-eaters are known for their unique feeding behavior, where they catch and eat insects in mid-air. They are also known for their nesting habits, where they dig long tunnels into the earth to create their nests. These tunnels can be up to a meter long and can take weeks to excavate. The Rainbow Bee-eater is also a migratory bird, traveling long distances each year to breed and feed. During the breeding season, the males perform elaborate courtship displays by flashing their colorful plumage and engaging in aerial acrobatics to attract mates. All of these behaviors make the Rainbow Bee-eater a fascinating species to observe and study.