Kirtland warbler(Setophaga kirtlandii) in song. A rare bird of the Michigan jack pine forests, the Kirtland's Warbler is dependent upon fire to provide the small trees and open areas that meet its rigid habitat requirements for nesting.
Cetti's warbler, Cettia cetti, is an Old World warbler. Cettiidae is a newly validated family of small insectivorous songbirds ("warblers"). As a common name, cettiid warblers is usually used. Part of Superfamily Sylvioidea.