Polioptila is a genus of bird in the Polioptilidae family. It contains the following species: \n* Blue-gray gnatcatcher, Polioptila caerulea \n* Cuban gnatcatcher, Polioptila lembeyei \n* California gnatcatcher, Polioptila californica \n* Black-tailed gnatcatcher, Polioptila melanura \n* Black-capped gnatcatcher, Polioptila nigriceps \n* White-lored gnatcatcher, Polioptila albiloris \n* Guianan gnatcatcher, Polioptila guianensis \n* Rio Negro gnatcatcher, Poliptila (guianensis) facilis \n* Para gnatcatcher, Polioptila (guianensis) paraensis \n* Iquitos gnatcatcher, Polioptila clementsi \n* Tropical gnatcatcher, Polioptila plumbea \n* Maranon gnatcatcher, Polioptila (plumbea) maior \n* White-browed gnatcatcher, Polioptila (plumbea) bilineata \n* Creamy-bellied gnatcatcher, Polioptila lactea