Male Ruddy Duck beats blue bill on chest plumage in bubbling behavior

duck bird ruddy duck waterfowl bubbling bill blue water pond wetland behavior behaviour plumage mating ritual ritual outdoor nature fowl feather beak drake birdwatching ornithology wild wildlife animal avian marsh display tail float swim aquatic copy space reflect vegetation foliage oxyura jamaicensis oxyura jamaicensis breeding habitat stifftailed courtship bubble fauna brown