Western harvest mouse
- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Rodentia
- family: Cricetidae
- genus: Reithrodontomys
- species: Reithrodontomys megalotis
Penticton
British Columbia
Canada
Asientos
Aguascalientes- Colonia Vicente Guerrero
- Ensenada
Baja California- La Ciudad
Durango- Tulancingo
Hidalgo- Ahuacatlán
Nayarit- Pinal de Amoles
Querétaro- Salinas de Hidalgo
San Luis Potosí- Nogales
Sonora- Gonzales Ortega
- Guadalupe
- Plateros
Zacatecas
Mexico
Agua Dulce- Aguanga
- Albany
- Alhambra
- Altadena
- Aptos Hills-Larkin Valley
- Arroyo Grande
- Avalon
- Azusa
- Bakersfield
- Banning
- Bayview
- Belmont
- Belvedere
- Ben Lomond
- Berkeley
- Bishop
- Bodfish
- Bolinas
- Bradbury
- Broadmoor
- Brookdale
- Buttonwillow
- Cabazon
- Cambria
- Camp Pendleton South
- Campo
- Carpinteria
- Castroville
- Cayucos
- Century City
- Chula Vista
- Citrus
- Colma
- Concord
- Corralitos
- Corte Madera
- Costa Mesa
- Crest
- Culver City
- Cutten
- Daly City
- Danville
- Davis
- Deer Park
- Del Rey
- Del Rey Oaks
- Delhi
- Dixon Lane-Meadow Creek
- Dublin
- East Palo Alto
- El Cajon
- El Cerrito
- El Segundo
- Eldridge
- Elkhorn
- Escondido
- Eureka
- Ferndale
- Ford City
- Fort Bragg
- Frazier Park
- Gardena
- Goleta
- Grand Terrace
- Grover Beach
- Guerneville
- Hercules
- Hesperia
- Hollywood
- Homeland
- Imperial Beach
- Inverness
- Isla Vista
- Janesville
- Julian
- Kensington
- Kentfield
- King City
- La Cañada Flintridge
- La Crescenta-Montrose
- La Jolla
- La Presa
- La Puente
- Ladera
- Ladera Heights
- Laguna Beach
- Lake Arrowhead
- Lake Isabella
- Larkfield-Wikiup
- Las Flores
- Lathrop
- Laytonville
- Leona Valley
- Lexington Hills
- Live Oak
- Loma Linda
- Lone Pine
- Los Angeles
- Los Banos
- Los Osos
- Madera
- Malibu Beach
- Marina
- Marina del Rey
- Mecca
- Meiners Oaks
- Menifee
- Menlo Park
- Millbrae
- Milpitas
- Minkler
- Mira Monte
- Mission Canyon
- Mission Hills
- Monrovia
- Montague
- Montalvin
- Montecito
- Monterey
- Monterey Park
- Moraga
- Morongo Valley
- Morro Bay
- Moss Beach
- Mountain View
- Muscoy
- Myrtletown
- North Richmond
- Oakhurst
- Oceano
- Ojai
- Orinda
- Pacific Grove
- Palo Alto
- Palos Verdes Estates
- Pasadena
- Paso Robles
- Petaluma
- Pine Mountain Club
- Pinole
- Port Hueneme
- Portola
- Rainbow
- Ramona
- Rancho Palos Verdes
- Red Bluff
- Redlands
- Redwood City
- Richmond
- Rio Dell
- Riverside
- Rolling Hills
- Rolling Hills Estates
- Rollingwood
- Rosedale
- Ross
- Salinas
- San Anselmo
- San Bruno
- San Carlos
- San Diego
- San Dimas
- San Francisco
- San Pedro
- San Rafael
- Santa Barbara
- Santa Cruz
- Santa Margarita
- Saranap
- Sausalito
- Seaside
- Shandon
- Shingle Springs
- Simi Valley
- Soledad
- South Pasadena
- South San Francisco
- South Taft
- Stanford
- Summerland
- Sunnyslope
- Taft
- Taft Heights
- Tara Hills
- Tehachapi
- Temecula
- Tiburon
- Tipton
- Topanga
- Toro Canyon
- Trabuco Canyon
- Turlock
- Twin Lakes
- Universal City
- Val Verde
- Valinda
- Ventura
- Victorville
- View Park-Windsor Hills
- Vine Hill
- Walnut Creek
- Walnut Grove
- Weldon
- West Bishop
- Westwood
- Whittier
- Willow Creek
- Woodside
- Yosemite Valley
- Yreka
- Yucaipa
California- Dyer
Indiana- Jordan
Montana- Alamogordo
- Albuquerque
- Aztec
- Belen
- Bernalillo
- Bloomfield
- Bosque Farms
- Capitan
- Carnuel
- Carrizozo
- Chimayo
- Cimarron
- Columbus
- Corrales
- Crownpoint
- Dexter
- El Cerro
- Farmington
- Grants
- Kirtland
- La Cienega
- Laguna
- Lee Acres
- Lordsburg
- Los Chaves
- Los Lunas
- Mora
- Ohkay Owingeh
- Paradise Hills
- Peralta
- Placitas
- Rio Communities
- Rio Rancho
- Sandia Heights
- Santo Domingo Pueblo
- Silver City
- South Valley
- Sunland Park
- Tome
- Tularosa
- Zuni Pueblo
New Mexico- Fruitdale
- Grants Pass
- Irrigon
- White City
Oregon- Aurora
- Blanding
- Canyon Rim
- Clearfield
- Cottonwood Heights
- Draper
- East Millcreek
- Farr West
- Fruit Heights
- Granite
- Harrisville
- Herriman
- Kanab
- Kaysville
- Layton
- Milford
- Millcreek
- Mona
- Monticello
- Mount Olympus
- Nephi
- Oquirrh
- Richfield
- Riverdale
- Saint George
- Salt Lake City
- Sandy City
- Stansbury park
- Sunset
- Tooele
- White City
- Willard
Utah
United States