Genus Rhynchocyclus

Eye-ringed Flatbill - The Eye-ringed Flatbill is a species of bird in the Tyrannidae family. It is found in Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, and Panama. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes. The Pacific Flatbill is sometimes still considered a subspecies of R. brevirostris.

Fulvous-breasted Flatbill - Its natural habitat is subtropical or tropical moist montanes.

Olivaceous Flatbill - It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical swamps.

Pacific Flatbill - Its natural habitat is subtropical or tropical moist lowland forests.