Black-tailed gnatcatcher
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Polioptilidae
- genus: Polioptila
- species: Polioptila melanura
Ejido Plan de Ayala- Ejido Saltillo
- Los Algodones
- Progreso
- San Felipe
Baja California- Cabo San Lucas
Baja California Sur- Ciudad Camargo
- Ciudad Delicias
- Ciudad Juárez
Chihuahua- Ciudad Sabinas
Coahuila- Ceballos
- Nombre de Dios
Durango- Irapuato
- San Miguel de Allende
Guanajuato- Portezuelo
- Tenango de Doria
Hidalgo- Morelia
Michoacán- Montemorelos
Nuevo León- El Pueblito
- La Estancia
- Santiago de Querétaro
Querétaro- Matehuala
San Luis Potosí- Nuevo Laredo
- Nuevo Padilla
Tamaulipas
Mexico
Ajo- Anthem
- Apache Junction
- Arivaca Junction
- Arizona City
- Avondale
- Avra Valley
- Benson
- Big Park
- Bisbee
- Black Canyon City
- Blackwater
- Buckeye
- Bullhead City
- Cactus Flat
- Carefree
- Casa Grande
- Casas Adobes
- Catalina
- Catalina Foothills
- Cave Creek
- Central Heights-Midland City
- Cienega Springs
- Citrus Park
- Clarkdale
- Congress
- Coolidge
- Cordes Lakes
- Corona de Tucson
- Cottonwood
- Desert Hills
- Dolan Springs
- Douglas
- Drexel Heights
- East Sahuarita
- Ehrenberg
- Florence
- Flowing Wells
- Fountain Hills
- Gila Bend
- Gilbert
- Globe
- Gold Camp
- Green Valley
- Guadalupe
- Kearny
- Kingman
- Lake Havasu City
- Lake Montezuma
- Laveen
- Litchfield Park
- Mammoth
- Marana
- Maricopa
- Mohave Valley
- New Kingman-Butler
- New River
- Oracle
- Oro Valley
- Paradise Valley
- Parker
- Phoenix
- Picture Rocks
- Pima
- Quartzsite
- Rio Rico
- Rio Verde
- Sacaton
- Safford
- Sahuarita
- Saint David
- Salome
- Scottsdale
- Sedona
- Sells
- Somerton
- South Tucson
- Sun City
- Sun City West
- Sun Lakes
- Superior
- Surprise
- Swift Trail Junction
- Tanque Verde
- Tempe
- Tempe Junction
- Three Points
- Tombstone
- Tortolita
- Tubac
- Tucson
- Tucson Estates
- Vail
- Valencia West
- West Sedona
- Whetstone
- Wickenburg
- Willcox
- Willow Valley
- Yuma
Arizona- Altadena
- Arcadia
- Barstow
- Big River
- Blythe
- Bonita
- Borrego Springs
- Brawley
- Cabazon
- Calexico
- Calipatria
- Casa de Oro-Mount Helix
- Cathedral City
- Claremont
- Coachella
- Corona
- Culver City
- Desert Hot Springs
- Desert Shores
- East La Mirada
- El Centro
- Imperial
- Indio
- Joshua Tree
- La Jolla
- La Mesa
- La Presa
- La Quinta
- Lakeside
- Mecca
- Mesa Verde
- Morongo Valley
- Muscoy
- National City
- Needles
- Niland
- Ontario
- Palm Desert
- Palm Springs
- Palmdale
- Pomona
- Ramona
- Rancho Mirage
- Riverside
- San Pasqual
- Santa Paula
- Thermal
- Twentynine Palms
- Victorville
- Vista Santa Rosa
- Westmorland
- Whittier
- Yorba Linda
- Yucca Valley
California- Alpine
- Brackettville
- Carrizo Springs
- Cienegas Terrace
- Cotulla
- Crystal City
- Del Rio
- El Cenizo
- El Paso
- Falcon Lake Estates
- Fort Clark Springs
- Fort Hancock
- Fort Stockton
- Freer
- Iraan
- Junction
- La Joya
- Laredo
- Leakey
- Llano Grande
- McAllen
- Medina
- Presidio
- Rankin
- Roma-Los Saenz
- San Antonio
- Sanderson
- Sierra Blanca
- Socorro
- Socorro Mission Number 1 Colonia
- Uvalde
- Van Horn
- Zapata
Texas- Kanab
- Saint George
Utah
United States