Species in the genus Polioptila
- Blue-grey Gnatcatcher (Polioptila caerulea) (Add observation)
- Black-tailed Gnatcatcher (Polioptila melanura) (Add observation)
- California Gnatcatcher (Polioptila californica) (Add observation)
- Cuban Gnatcatcher (Polioptila lembeyei) (Add observation)
- White-lored Gnatcatcher (Polioptila albiloris) (Add observation)
- Black-capped Gnatcatcher (Polioptila nigriceps) (Add observation)
- Tropical Gnatcatcher (Polioptila plumbea) (Add observation)
- Maranon Gnatcatcher (Polioptila maior) (Add observation)
- Creamy-bellied Gnatcatcher (Polioptila lactea) (Add observation)
- Guianan Gnatcatcher (Polioptila guianensis) (Add observation)
- Rio Negro Gnatcatcher (Polioptila facilis) (Add observation)
- Para Gnatcatcher (Polioptila paraensis) (Add observation)
- Iquitos Gnatcatcher (Polioptila clementsi) (Add observation)
- Slate-throated Gnatcatcher (Polioptila schistaceigula) (Add observation)
- Masked Gnatcatcher (Polioptila dumicola) (Add observation)
Taxonomic source: WorldBirdNames.org
