Pygmy nuthatch
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Sittidae
- genus: Sitta
- species: Sitta pygmaea
- Canada
Ciudad Juárez- Madera
Chihuahua- La Ciudad
- Victoria de Durango
Durango- Manzana de San Luis
Michoacán- Lomas de Ahuatepec
- Tepoztlán
- Tres Marías
Morelos- San Miguel Zoapan
- Soltepec
Puebla- La Joya
- Las Vigas
- Xalapa de Enríquez
Veracruz
Mexico
Big Park- Camp Verde
- Central Heights-Midland City
- Cottonwood
- Eagar
- Flagstaff
- Grand Canyon
- Grand Canyon Village
- Heber-Overgaard
- Kachina Village
- Lake Montezuma
- Lake of the Woods
- Linden
- Mountainaire
- Page
- Parks
- Payson
- Pine
- Pinetop-Lakeside
- Prescott
- Sedona
- Show Low
- Springerville
- Star Valley
- Sun Valley
- Tuba City
- Verde Village
- West Sedona
- White Mountain Lake
- Williams
Arizona- Acton
- Ahwahnee
- Alameda
- Alamo
- Albany
- Alta Sierra
- Amesti
- Angwin
- Aptos
- Aptos Hills-Larkin Valley
- Arcadia
- Arnold
- Aromas
- Arroyo Grande
- Atascadero
- Atherton
- Bear Valley Springs
- Belmont
- Belvedere
- Ben Lomond
- Berkeley
- Beverly Hills
- Big Bear City
- Big Bear Lake
- Big Pine
- Bishop
- Bodega Bay
- Bolinas
- Bonny Doon
- Boulder Creek
- Bridgeport
- Brisbane
- Broadmoor
- Brookdale
- Burlingame
- Burney
- Cambria
- Camp Meeker
- Canoga Park
- Capitola
- Carmel Valley Village
- Carmel-by-the-Sea
- Casa Conejo
- Castro Valley
- Century City
- Chester
- Citrus Heights
- Claremont
- Cloverdale
- Cobb
- Colma
- Columbia
- Corning
- Corralitos
- Corte Madera
- Costa Mesa
- Cotati
- Crestline
- Daly City
- Danville
- Day Valley
- Deer Park
- Del Monte Forest
- Del Rey Oaks
- Descanso
- Desert View Highlands
- Dixon Lane-Meadow Creek
- Dollar Point
- East Foothills
- East Palo Alto
- East Quincy
- East Richmond Heights
- East Sonora
- El Cerrito
- El Dorado Hills
- El Granada
- El Segundo
- El Sobrante
- Eldridge
- Elkhorn
- Emerald Lake Hills
- Escondido
- Fairfax
- Fairview
- Felton
- Forest Meadows
- Forest Ranch
- Forestville
- Fort Bragg
- Foster City
- Frazier Park
- Freedom
- Gilroy
- Granite Bay
- Grass Valley
- Graton
- Greenville
- Grover Beach
- Guerneville
- Hacienda Heights
- Half Moon Bay
- Healdsburg
- Highlands-Baywood Park
- Hillsborough
- Idyllwild
- Idyllwild-Pine Cove
- Interlaken
- Inverness
- Irvine
- Isla Vista
- Janesville
- Julian
- Kelseyville
- Kensington
- Kentfield
- Kings Beach
- La Cañada Flintridge
- La Crescenta-Montrose
- La Selva Beach
- Ladera
- Lafayette
- Lagunitas-Forest Knolls
- Lake Arrowhead
- Lakeport
- Larkfield-Wikiup
- Larkspur
- Lebec
- Lewiston
- Lexington Hills
- Live Oak
- Lompico
- Los Altos
- Los Altos Hills
- Los Gatos
- Los Osos
- Lower Lake
- Lucas Valley-Marinwood
- Malibu
- Mammoth Lakes
- Manhattan Beach
- Marin City
- Marina
- McCloud
- Menlo Park
- Middletown
- Mill Valley
- Millbrae
- Montara
- Monte Rio
- Monte Sereno
- Monterey
- Moraga
- Morgan Hill
- Morongo Valley
- Morro Bay
- Moss Beach
- Mount Hermon
- Mount Shasta
- Mountain View
- Murphys
- Nevada City
- Newport Beach
- Nice
- Nipomo
- North Fair Oaks
- North Tustin
- Oakland
- Occidental
- Oceano
- Ojai
- Opal Cliffs
- Orinda
- Pacific Grove
- Pacifica
- Palo Alto
- Palo Cedro
- Pasatiempo
- Petaluma
- Piedmont
- Pine Mountain Club
- Pine Valley
- Placerville
- Pollock Pines
- Pomona
- Portola
- Portola Valley
- Quincy
- Redwood City
- Redwood Shores
- Rio Del Mar
- Riverbank
- Rohnert Park
- Rollingwood
- Ross
- Running Springs
- Saint Helena
- Salinas
- San Anselmo
- San Antonio Heights
- San Bruno
- San Carlos
- San Dimas
- San Francisco
- San Mateo
- San Rafael
- Santa Clarita
- Santa Cruz
- Santa Venetia
- Sausalito
- Scotts Valley
- Sea Ranch
- Seacliff
- Seaside
- Sebastopol
- Seven Trees
- Shasta
- Sierra Madre
- Sleepy Hollow
- Soda Bay
- Sonora
- Soquel
- South Lake Tahoe
- South San Francisco
- Stanford
- Strawberry
- Summerland
- Sunnyside-Tahoe City
- Sunnyvale
- Susanville
- Tahoe Vista
- Tahoma
- Tamalpais Valley
- Tamalpais-Homestead Valley
- Tehachapi
- Temelec
- Templeton
- Tiburon
- Truckee
- Twin Lakes
- Union City
- Val Verde
- Vine Hill
- Watsonville
- Weed
- Weldon
- West Menlo Park
- Westwood
- Windsor
- Woodacre
- Woodside
- Wrightwood
- Yosemite Valley
- Yucca Valley
California- Air Force Academy
- Alamosa
- Alamosa East
- Applewood
- Arvada
- Aspen
- Bayfield
- Berthoud
- Black Forest
- Boulder
- Breckenridge
- Buena Vista
- Burlington
- Cascade-Chipita Park
- Castle Pines
- Castle Pines North
- Castle Rock
- Castlewood
- Cañon City
- Centennial
- Central City
- Cherry Hills Village
- Cimarron Hills
- Coal Creek
- Colorado City
- Colorado Springs
- Columbine
- Columbine Valley
- Cortez
- Crested Butte
- Cripple Creek
- Durango
- Edgewater
- Elizabeth
- Estes Park
- Evergreen
- Fairplay
- Florence
- Fort Collins
- Fountain
- Fraser
- Frisco
- Genesee
- Georgetown
- Glendale
- Gleneagle
- Golden
- Granby
- Greenwood Village
- Gunbarrel
- Gunnison
- Highlands Ranch
- Holyoke
- Hot Sulphur Springs
- Idaho Springs
- Indian Hills
- Ken Caryl
- Keystone
- Kittredge
- Lake City
- Laporte
- Leadville North
- Lincoln Park
- Littleton
- Longmont
- Loveland
- Lyons
- Mancos
- Manitou Springs
- Monument
- Nederland
- Niwot
- Ouray
- Pagosa Springs
- Palmer Lake
- Parker
- Perry Park
- Ponderosa Park
- Rifle
- Rocky Ford
- Roxborough Park
- Security-Widefield
- Silverthorne
- Snowmass Village
- Steamboat Springs
- Telluride
- The Pinery
- Trinidad
- Vail
- Walsenburg
- West Pleasant View
- Westcliffe
- Westminster
- Wheat Ridge
- Woodland Park
- Woodmoor
Colorado- Port Saint Joe
Florida- North Madison
Indiana- El Dorado
- Highland
- Junction City
Kansas- Moorhead
Minnesota- Bigfork
- Bonner-West Riverside
- Clancy
- Columbia Falls
- Columbus
- East Missoula
- Eureka
- Evergreen
- Frenchtown
- Glendive
- Hamilton
- Helena
- Helena Valley Northwest
- Helena Valley West Central
- Kalispell
- Lakeside
- Libby
- Lincoln
- Lolo
- Missoula
- Montana City
- Orchard Homes
- Pablo
- Plains
- Polson
- Red Lodge
- Somers
- Stevensville
- Superior
- Thompson Falls
- West Glendive
- Whitefish
Montana- Lansing
- Northeast Ithaca
New York- Fargo
North Dakota- Colonial Pine Hills
- Custer
- Hot Springs
- Rapid City
- Spearfish
- Watertown
South Dakota- Ahtanum
- Benton City
- Bothell
- Brewster
- Bridgeport
- Cashmere
- Chelan
- Cheney
- Chewelah
- Cle Elum
- Colfax
- Colville
- Coulee Dam
- Country Homes
- Davenport
- Dayton
- Deer Park
- Dishman
- Fairchild Air Force Base
- Fairwood
- Goldendale
- Granite Falls
- Kettle Falls
- Kittitas
- Leavenworth
- Liberty Lake
- Mead
- Medical Lake
- Millwood
- Newport
- Okanogan
- Omak
- Opportunity
- Oroville
- Otis Orchards-East Farms
- Pomeroy
- Pullman
- Republic
- SeaTac
- Shoreline
- Spokane
- Spokane Valley
- Tonasket
- Town and Country
- Trentwood
- Veradale
- Wenatchee
- Yakima
Washington
United States
Armstrong