Children (8 direct children, 12 direct and indirect children):
White-headed duck
Oxyura leucocephala
Maccoa duck
Oxyura maccoa
New zealand stiff-tailed duck
Oxyura vantetsi
Lake duck
Oxyura vittata
Ruddy duck
(tree size 2)
Oxyura jamaicensis
Blue-billed duck
Oxyura australis
Oxyura ferruginea
(tree size 2)
Andean duck
Oxyura unifasciata