Common Goldeneye, Common Goldeneyes, Goldeneye, Goldeneyes, Bucephala clangula, waterfowl, male, males, drake, drakes, duck, ducks, bird, birds, fauna, wildlife, wetland, wetlands, water, lake, lakes, Pacific Coast, Pacific Northwest, British Columbia, Canada, North America, mating season, breeding season, call, calling, mating call, courtship call, courtship, territory, proclaiming territory, communication, behavior, behaviour, Kitchin, Hurst, Horizontal