- Microbates cinereiventris (Tawny-faced Gnatwren)
- Microbates cinereiventris cinereiventris
- Microbates cinereiventris peruvianus
- Microbates cinereiventris semitorquatus
- Microbates collaris (Collared Gnatwren)
- Microbates collaris collaris
- Microbates collaris perlatus
- Polioptila albiloris (White-lored Gnatcatcher)
- Polioptila albiloris albiloris
- Polioptila albiloris albiventris
- Polioptila albiloris vanrossemi
- Polioptila caerulea (Blue-gray Gnatcatcher)
- Polioptila caerulea [amoenissima Group] (Blue-gray Gnatcatcher (Western))
- Polioptila caerulea amoenissima
- Polioptila caerulea caerulea (Blue-gray Gnatcatcher (Eastern))
- Polioptila caerulea cozumelae
- Polioptila caerulea deppei
- Polioptila caerulea gracilis
- Polioptila caerulea mexicana
- Polioptila caerulea nelsoni
- Polioptila caerulea obscura
- Polioptila californica (California Gnatcatcher)
- Polioptila clementsi (Iquitos Gnatcatcher)
- Polioptila dumicola (Masked Gnatcatcher)
- Polioptila dumicola berlepschi
- Polioptila dumicola dumicola
- Polioptila dumicola saturata
- Polioptila guianensis (Guianan Gnatcatcher)
- Polioptila guianensis facilis
- Polioptila guianensis guianensis
- Polioptila guianensis paraensis
- Polioptila lactea (Creamy-bellied Gnatcatcher)
- Polioptila lembeyei (Cuban Gnatcatcher)
- Polioptila melanura (Black-tailed Gnatcatcher)
- Polioptila melanura curtata
- Polioptila melanura lucida
- Polioptila melanura margaritae
- Polioptila melanura melanura
- Polioptila nigriceps (Black-capped Gnatcatcher)
- Polioptila nigriceps nigriceps
- Polioptila nigriceps restricta
- Polioptila plumbea (Tropical Gnatcatcher)
- Polioptila plumbea [bilineata Group] (Tropical Gnatcatcher (White-browed))
- Polioptila plumbea [plumbea Group] (Tropical Gnatcatcher (Tropical))
- Polioptila plumbea atricapilla
- Polioptila plumbea bilineata
- Polioptila plumbea brodkorbi
- Polioptila plumbea daguae
- Polioptila plumbea innotata
- Polioptila plumbea maior (Tropical Gnatcatcher (Maranon))
- Polioptila plumbea maranonica
- Polioptila plumbea parvirostris
- Polioptila plumbea plumbea
- Polioptila plumbea plumbiceps
- Polioptila plumbea superciliaris
- Polioptila schistaceigula (Slate-throated Gnatcatcher)
- Ramphocaenus melanurus (Long-billed Gnatwren)
- Ramphocaenus melanurus [melanurus Group] (Long-billed Gnatwren (Long-billed))
- Ramphocaenus melanurus [rufiventris Group] (Long-billed Gnatwren (rufiventris))
- Ramphocaenus melanurus albiventris
- Ramphocaenus melanurus amazonum
- Ramphocaenus melanurus badius
- Ramphocaenus melanurus duidae
- Ramphocaenus melanurus melanurus
- Ramphocaenus melanurus obscurus (Long-billed Gnatwren (obscurus))
- Ramphocaenus melanurus pallidus
- Ramphocaenus melanurus rufiventris
- Ramphocaenus melanurus sticturus
- Ramphocaenus melanurus trinitatis