The Red-breasted Merganser (Mergus serrator) is a sleek diving duck easily recognized by its spiky crest and slender, serrated bill, perfect for catching fish. In Faxaflói Bay, these ducks are frequent visitors, often seen swimming in coastal waters or estuaries where fish are abundant. Red-breasted Mergansers are agile hunters, diving beneath the surface to pursue small fish, crustaceans, and aquatic insects. Their reliance on healthy marine and freshwater ecosystems makes them excellent indicators of environmental health. Studying Red-breasted Mergansers in Faxaflói Bay provides valuable information about the area's food web dynamics and helps assess the impacts of habitat changes and pollution on marine life.
