Children (22 direct children, 57 direct and indirect children):
Iquitos gnatcatcher
Polioptila clementsi
Slate-throated gnatcatcher
Polioptila schistaceigula
Tropical gnatcatcher
(tree size 12)
Polioptila plumbea
California gnatcatcher
(tree size 3)
Polioptila californica
Black-capped gnatcatcher
(tree size 2)
Polioptila nigriceps
Creamy-bellied gnatcatcher
Polioptila lactea
Guianan gnatcatcher
Polioptila guianensis
Blue-grey gnatcatcher
(tree size 9)
Blue-gray gnatcatcher
White-lored gnatcatcher
(tree size 3)
Polioptila albiloris
Black-tailed gnatcatcher
(tree size 3)
Polioptila melanura
Cuban gnatcatcher
Polioptila lembeyei
Masked gnatcatcher
(tree size 3)
Polioptila dumicola
Polioptila facilis
Rio negro gnatcatcher
Polioptila paraensis
Para gnatcatcher
Inambari gnatcatcher
Polioptila attenboroughi
Polioptila maior
Polioptila aibiloris
Polioptila albiventris
Yucatan gnatcatcher
Polioptila buffoni
Polioptila parvirostris
Polioptila sclateri
White-browed gnatcatcher