- Little bittern Ixobrychus minutus
- Black-backed bittern Ixobrychus dubius
- 열대붉은해오라기 (Ixobrychus cinnamomeus)
- Stripe-backed bittern Ixobrychus involucris
- Least bittern Ixobrychus exilis
- 덤불해오라기 (Ixobrychus sinensis)
- 큰덤불해오라기 (Ixobrychus eurhythmus)
- Dwarf bittern Ixobrychus sturmii
- 검은해오라기 (Ixobrychus flavicollis)