Children (6 direct children, 28 direct and indirect children):
Little grebe
(tree size 8)
Tachybaptus ruficollis
Alaotra grebe
Madagascar red-necked grebe
Madagascar grebe
Madagascar little grebe
Australasian grebe
(tree size 6)
Eastern little grebe
Least grebe
(tree size 5)
Tachybaptus dominicus
Tachybaptus tricolor
(tree size 3)
Tricolored grebe