Western skink
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Scincidae
- genus: Plestiodon
- species: Plestiodon skiltonianus
Penticton
British Columbia
Canada
Colonia Vicente Guerrero- Ensenada
Baja California
Mexico
Agoura- Agoura Hills
- Alameda
- Albany
- Aliso Viejo
- Anderson
- Angwin
- Arcata
- Atherton
- August
- Avalon
- Azusa
- Banning
- Bayview
- Ben Lomond
- Berkeley
- Big Bear Lake
- Blackhawk
- Bodfish
- Bonita
- Bonsall
- Boulder Creek
- Boyes Hot Springs
- Brookdale
- Burbank
- Burlingame
- Cabazon
- Calabasas
- Calistoga
- Camp Meeker
- Campo
- Carmel-by-the-Sea
- Casa de Oro-Mount Helix
- Challenge-Brownsville
- Chula Vista
- Citrus
- Claremont
- Clearlake Oaks
- Cloverdale
- Colton
- Corralitos
- Corte Madera
- Covelo
- Crest
- Crestline
- Dana Point
- Descanso
- East Foothills
- East Palo Alto
- East Richmond Heights
- El Cerrito
- Eldridge
- Emeryville
- Eucalyptus Hills
- Fairfax
- Fallbrook
- Felton
- Fetters Hot Springs-Agua Caliente
- Fillmore
- Forest Meadows
- Fresno
- Garden Grove
- Glendale
- Healdsburg
- Hemet
- Hercules
- Hidden Valley Lake
- Highlands-Baywood Park
- Hillsborough
- Huron
- Idyllwild
- Idyllwild-Pine Cove
- Imperial Beach
- Inverness
- Isla Vista
- Jamul
- Julian
- Kelseyville
- Kensington
- Kentfield
- La Cañada Flintridge
- La Crescenta-Montrose
- La Jolla
- La Mesa
- Laguna Beach
- Lagunitas-Forest Knolls
- Lake Arrowhead
- Lake Forest
- Lake Isabella
- Lake San Marcos
- Lakeport
- Lakeside
- Larkspur
- Lathrop
- Laytonville
- Long Beach
- Los Gatos
- Lucerne
- Magalia
- Meiners Oaks
- Menlo Park
- Middletown
- Mill Valley
- Millbrae
- Monte Rio
- Monte Sereno
- Montecito
- Monterey
- Moraga
- Mount Hermon
- Mountain View
- Napa
- Newport Beach
- North Fair Oaks
- North Hollywood
- Novato
- Occidental
- Ojai
- Orinda
- Oroville
- Oroville East
- Pacific Grove
- Palo Alto
- Palos Verdes Estates
- Paradise
- Petaluma
- Pinole
- Placerville
- Poway
- Ramona
- Rancho Palos Verdes
- Riverside
- Rolling Hills
- Rolling Hills Estates
- Ross
- Running Springs
- Saint Helena
- San Anselmo
- San Diego
- San Joaquin Hills
- San Jose
- San Luis Obispo
- San Marcos
- San Rafael
- Santa Barbara
- Santa Clarita
- Santa Rosa
- Santa Venetia
- Saticoy
- Seven Trees
- Sherman Oaks
- Sierra Madre
- Soquel
- South Oroville
- South Whittier
- Stanford
- Stockton
- Strawberry
- Summerland
- Tamalpais Valley
- Tamalpais-Homestead Valley
- Tara Hills
- Topanga
- Trabuco Canyon
- Ukiah
- Vallejo
- Vandenberg Village
- Victorville
- Weed
- Westlake Village
- Westwood
- Whittier
- Willow Creek
- Woodacre
- Woodland Hills
- Woodside
- Wrightwood
California- Arco
- Boise
- Bonners Ferry
- Fort Hall
- Lewiston
Idaho- East Missoula
- Superior
Montana- Beaver
Utah- Green River
Wyoming
United States