Unique mating ritual of male Ruddy Duck, bubbling by beating chest

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