Children (8 direct children, 8 direct and indirect children):
Tachybaptus ruficollis ruficollis
Tachybaptus ruficollis albescens
Tachybaptus ruficollis iraquensis
Tachybaptus ruficollis capensis
Tachybaptus ruficollis poggei
Tachybaptus ruficollis philippensis
Tachybaptus ruficollis cotabato
Tachybaptus ruficollis albipennis