
Polioptila is a genus of small insectivorous birds in the family Polioptilidae. They are found in North and South America.

The black-tailed gnatcatcher is a small, insectivorous bird which ranges throughout the Sonoran and Chihuahuan Deserts of the southwestern United States and northern Mexico. It is nonmigratory and found in arid desert areas year-round.

The blue-gray gnatcatcher or blue-grey gnatcatcher is a very small songbird native to North America.

The California gnatcatcher is a small 10.8 cm (4.3 in) long insectivorous bird which frequents dense coastal sage scrub growth. This species was recently split from the similar black-tailed gnatcatcher of the Sonoran and Chihuahuan deserts. This bird is often solitary, but joins with other birds in winter flocks.

The coastal California gnatcatcher is a small non-migratory songbird. The coastal California gnatcatcher is the northernmost subspecies of the California gnatcatcher. It lives in and around coastal sage scrub. This songbird has black, gray, and white feathers, and eats mainly insects. It often lives alone but joins with other birds in winter groups. Its call sounds like a kitten meowing, a rising and falling zeeeeer, zeeeeer.

The creamy-bellied gnatcatcher is a species of bird in the family Polioptilidae. It is found in Argentina, Brazil, and Paraguay.

The Cuban gnatcatcher is a species of bird in the family Polioptilidae, the gnatcatchers. It is endemic to Cuba.

The black-capped gnatcatcher is a small songbird in the family Polioptilidae. It is found in Mexico and the United States.

The Guianan gnatcatcher is a species of bird in the family Polioptilidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela.

The Inambari gnatcatcher is a species of bird in the family Polioptilidae. It is endemic to Brazil.

The Iquitos gnatcatcher is a bird in the family Polioptilidae. It was first described in 2005. It is known only from the Allpahuayo-Mishana National Reserve, west of Iquitos, Peru.

The masked gnatcatcher is a small songbird in the family Polioptilidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.

The Para gnatcatcher or Klages's gnatcatcher, is a species of bird in the family Polioptilidae. It is endemic to Brazil.

The Rio Negro gnatcatcher is a species of bird in the family Polioptilidae. It is endemic to Brazil.

The slate-throated gnatcatcher is a species of bird in the family Polioptilidae. It is found in Colombia, Ecuador, and Panama.

The tropical gnatcatcher is a small active insectivorous songbird, which is a resident species throughout a large part of the Neotropics. There are large geographical variations in its voice and plumage, resulting in some populations sometimes being considered separate species, notably the bilineata group as the white-browed gnatcatcher, and the taxon maior as the Marañón gnatcatcher.

The white-browed gnatcatcher is a species of bird in the gnatcatcher family Polioptilidae. It is native to central and South America.

The white-lored gnatcatcher is a species of bird in the family Polioptilidae. It is found in Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.

The Yucatan gnatcatcher is a species of bird in the family Polioptilidae. It is endemic to the Yucatán Peninsula in Mexico.