africa african anas animal animals aquatic beak beautiful behavior behaviour bharatpur billed bird birds couple creature cute dam duck ducks duo ecology erythrorhyncha etosha extreme eye family farm farming feather flock fly flying fowl goose group. team knob lake lakes landing lovebird lover marsh marshes motion national natural nature outdoor park poecilorhyncha pond ponds portrait rajasthan red reflection river rivers south southern spot standing strange stretching swamp swamps swim swimming takeoff teal two unique unspoiled valentine wading water webbed wet wetland wetlands wild wildlife wings