Dusky Shrew

Sorex monticola

General Status Rank: 
Secure
ELCODE: 
AMABA01080
Common Name: 
Dusky Shrew
Scientific Name: 
Sorex monticola
Synonyms: 
Sorex obscurus
Sorex monticolus
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Taxonomy
Group: 
Mammal (Terrestrial Mammal)
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Mammalia
Order: 
Eulipotyphla (Soricomorpha)
Family: 
Soricidae
References: 
B114
R169
General Biology

Female Age at Maturity

Around 20 months.
References: 
B001
Habitat
Along streams and around springs, where relatively tall shrubs, such as willows and alders, provide overhead cover.
References: 
SC1
Distribution

Ecozones

Southern Arctic, Taiga Cordillera, Taiga Plains, Boreal Cordillera, Boreal Plains
References: 
B001

Distribution

28% of the NWT. Small Mammal Survey, caught in Fort Liard, Fort Providence, Fort Smith.
Score: 
G = 2
References: 
SC1

Number of Occurrences

Probably. 2 montane shrews were collected from Fort Liard - 8 Sept 2012 and 9 Sept 2012 (e-mail to D. Allaire form K. Galbreath 04/09/2015).
Score: 
E = >
References: 
H126

Area of Occupancy

Stable?
Score: 
-
Population

Population Size

10,000 to millions.
Score: 
FH =
References: 
H126-05
Threats

Threats

Score: 
C = M

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
But little information.
S Rank: 
S5
Decision Process Description: 
Drafted using information and comments from M. Bradley. Reviewed in 2004, no change in status. Reviewed in 2010, no change. Reviewed in 2015, no change. Reviewed in 2020, no change.
Last Updated: 
February 16, 2024

References

Age Of Maturity

  • Banfield AWF (1974) The Mammals of Canada. University of Toronto Press RWED Library Call #QL721.B3 - B001 Return

Ecozones

  • Banfield AWF (1974) The Mammals of Canada. University of Toronto Press RWED Library Call #QL721.B3 - B001 Return

Habitat

  • van Zyll de Jong CG (1983) Handbook of Canadian Mammals - Marsupials and Insectivores. National Museum of Natural Sciences RWED Library Call#QL721.z9 - SC1 Return

NWT Known Subspecies

van Zyll de Jong CG (1983) Handbook of Canadian Mammals - Marsupials and Insectivores. National Museum of Natural Sciences RWED Library Call#QL721.z9 - SC1 Return

Number of Occurrences

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return

Population Size

Suzanne Carriere (2005) Pers. Comm.. - H126-05 Return

Range Extent

  • van Zyll de Jong CG (1983) Handbook of Canadian Mammals - Marsupials and Insectivores. National Museum of Natural Sciences RWED Library Call#QL721.z9 - SC1 Return

Taxonomy

  • van Zyll de Jong CG (1983) Handbook of Canadian Mammals - 1 Marsupials and Insectivores. National Museum of Natural Sciences First edition RWED Library Call #QL721.z9 - B114 Return
  • Wilson, Don E. and Reeder, DeeAnn M. (2005) Mammal Species of the World. A Taxonomic and Geographic Reference. Johns Hopkins University Press 3rd ed 2142 pages - R169 Return