Bluebills are a type of diving duck commonly found in North America. For those who enjoy bird watching or studying ducks, it may be helpful to know various synonyms for bluebills. Some possible synonyms include scaups, blackheads, broadbills, blue-winged pochards, and rafts. These words all refer to a specific species of diving duck with a distinctive bill shape and coloration. Knowing the synonyms for bluebills can help birdwatchers to more easily identify these beautiful waterfowl and gain a better understanding of their behavior and habitat.