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BC Conservation Data Centre: Species Summary


Spilogale gracilis
Western Spotted Skunk


 
Scientific Name: Spilogale gracilis Merriam, 1890
English Name: Western Spotted Skunk
 
Classification / Taxonomy
Scientific Name - Concept Reference: Jones, J. K., Jr., R. S. Hoffman, D. W. Rice, C. Jones, R. J. Baker, and M. D. Engstrom. 1992a. Revised checklist of North American mammals north of Mexico, 1991. Occasional Papers, The Museum, Texas Tech University, 146:1-23.
Classification Level: Species
Species Group: Vertebrate Animal
Species Code: M-SPGR
Kingdom Phylum Class Order Family
Animalia Craniata Mammalia Carnivora Mephitidae
   
Conservation Status / Legal Designation
Global Status: G5
Provincial Status: S2S3 (Apr 2023)
BC List: Blue
Provincial FRPA list:   
Provincial Wildlife Act:
COSEWIC Status:
SARA Schedule:
General Status Canada: 4 - Secure (2005)
   
Ecology & Life History
General Description:
Global Reproduction Comments: Females breed during late September-October. Implantation is delayed, total gestation period lasts 210-230 days. Litter size is 4-6. Young leave nest about 1 month after birth, follow mother until almost full grown. Sexually mature in 4-5 months.
Global Ecology Comments: Adults are essentially solitary.
Migration Characteristics:
(Global / Provincial)
 
    Nonmigrant:
    Local Migrant:
    Distant Migrant:
    Within Borders Migrant:
Y /
N /
N /
na /
Habitats:
(Type / Subtype / Dependence)
Agriculture / Cultivated Field / Facultative - frequent use
Agriculture / Hedgerow / Facultative - frequent use
Agriculture / Pasture/Old Field / Facultative - frequent use
Anthropogenic / Urban/Suburban / Facultative - occasional use
Forest / Conifer Forest - Dry / Facultative - frequent use
Forest / Conifer Forest - Mesic (average) / Facultative - frequent use
Forest / Conifer Forest - Moist/wet / Facultative - frequent use
Forest / Mixed Forest (deciduous/coniferous mix) / Facultative - frequent use
Grassland/Shrub / Meadow / Facultative - frequent use
Other Unique Habitats / Avalanche Track / Facultative - occasional use
Riparian / Gravel Bar / Facultative - frequent use
Riparian / Riparian Forest / Facultative - frequent use
Riparian / Riparian Herbaceous / Facultative - frequent use
Riparian / Riparian Shrub / Facultative - frequent use
Rock/Sparsely Vegetated Rock / Rock/Sparsely Vegetated Rock / Facultative - occasional use
Rock/Sparsely Vegetated Rock / Talus / Facultative - occasional use
Subterranean / Sub-soil / Facultative - occasional use
Global Habitat Comments: Brushy canyons, rocky outcrops (rimrock) on hillsides and walls of canyons. In semi-arid brushlands in U.S., in wet tropical forests in Mexico. When inactive or bearing young, occupies den in rocks, burrow, hollow log, brush pile, or under building.
Food Habits: Carnivore: Adult, Immature
Frugivore: Adult, Immature
Invertivore: Adult, Immature
Global Food Habits Comments: Insects, rodents, small birds, and possibly bird eggs constitute most of diet (Ingles 1965). Reptiles and amphibian s also taken (Leopold 1959), as are many types of fruits and berries.
Global Phenology: Nocturnal: Adult, Immature
Global Phenology Comments: More nocturnal than is striped skunk, rarely seen abroad during daylight hours. Active throughout the year.
Provincial Phenology:
(1st half of month/
2nd half of month)
Colonial Breeder: N
Length(cm)/width(cm)/Weight(g): 450/ / 630
Elevation (m) (min / max): Global: 
Provincial: 
   
 
Distribution
Endemic: N
Global Range Comment: Range extends from southern British Columbia, Montana, and northern Wyoming southward through most of the western United States and into Mexico and Central America (south to Costa Rica). Range barely enters the Great Plains.
 
Authors / Contributors
Global Information Author: Hammerson, G.
Last Updated: Sep 20, 1995
Provincial Information Author:
Last Updated:
   
References and Related Literature
No references available
 

Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.

Suggested Citation:

B.C. Conservation Data Centre. 1995. Species Summary: Spilogale gracilis. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 10, 2026).