Children (10 direct children, 22 direct and indirect children):
Little bittern
(tree size 4)
Ixobrychus minutus
Cinnamon bittern
Ixobrychus cinnamomeus
Least bittern
(tree size 7)
Ixobrychus exilis
Yellow bittern
Ixobrychus sinensis
Von schrenck’s bittern
Ixobrychus eurhythmus
New zealand bittern
New zealand little bittern
Black bittern
(tree size 1)
Ixobrychus flavicollis
Stripe-backed bittern
Ixobrychus involucris
Dwarf bittern
Ixobrychus sturmii
Black-backed bittern
Australian little bittern