CreatureData

Dwarf shrew

Sorex nanus Merriam, 1895

LCLeast Concernmammals

The dwarf shrew (Sorex nanus) is a species in the family Soricidae, order Eulipotyphla. Recorded adults weigh 2.4 g to 2.57 g. Its IUCN Red List status is Least Concern.

Dwarf shrew (Sorex nanus)
Photo: Laura Steger · CC0 · Wikimedia Commons

Quick facts about the dwarf shrew

Weight
2.4 g – 2.57 gsrc for Weight
Length
Not recorded
Lifespan
Not recorded
Diet
Invertivoresrc for Diet
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
6.5src for Young per litter or clutch
Litters or clutches a year
2src for Litters or clutches a year
Active
Day and night (cathemeral)src for Active
Lifestyle
Terrestrialsrc for Lifestyle
Conservation status
Least Concern (IUCN)src for Conservation status
Countries on record
Not recorded

Where does the dwarf shrew live?

Not recorded

What is the dwarf shrew?

Quoted from WikipediaCC BY-SA 4.0

The dwarf shrew (Sorex nanus) is a species of mammal in the family Soricidae endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah, and Wyoming in the United States. The type locality is Estes Park (Larimer County), Colorado, USA.

From the Wikipedia article “Dwarf shrew” (en.wikipedia.org/w/index.php?title=Dwarf_shrew&oldid=1381764552), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.

Is the dwarf shrew endangered?

The dwarf shrew is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

  1. LCLeast Concern
  2. NTNear Threatened
  3. VUVulnerable
  4. ENEndangered
  5. CRCritically Endangered
  6. EWExtinct in the Wild
  7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.

How is the dwarf shrew classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classMammalia
  4. orderEulipotyphla
  5. familySoricidae
  6. genusSorex
  7. SpeciesSorex nanus Merriam, 1895

Synonyms Sorex tenellus nanus

Other names and names in other languages (8)
  • Rocky mountain dwarf shrewEnglish
  • rejsek trpasličíCzech
  • Westliche ZwergspitzmausGerman
  • Musaraña enanaSpanish
  • amerikanpikkupäästäinenFinnish
  • マメトガリネズミJapanese
  • ryjówka karłowataPolish
  • Карликовая бурозубкаRussian

Catalogue of LifeWikipediaiNaturalistWikidataIUCN Red List

Relatives of the dwarf shrew

Other species in the same genus Sorex.

CompareDwarf shrew vs Eurasian pygmy shrewDwarf shrew vs Common shrewDwarf shrew vs Laxmann's shrewDwarf shrew vs Eurasian least shrew

Common questions

Answered only where our data holds the answer.

How big is the dwarf shrew?

An adult dwarf shrew weighs 2.4 g – 2.57 g, according to values recorded on Wikidata.

Is the dwarf shrew endangered?

The dwarf shrew is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

What kind of animal is the dwarf shrew?

The dwarf shrew (Sorex nanus) belongs to the family Soricidae in the order Eulipotyphla.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Dwarf shrew (Sorex nanus). Retrieved from https://creaturedata.com/animals/dwarf-shrew

MLA

“Dwarf shrew (Sorex nanus).” CreatureData, 2026, https://creaturedata.com/animals/dwarf-shrew.

BibTeX
@misc{dwarf_shrew_2026,
  title = {Dwarf shrew (Sorex nanus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/dwarf-shrew},
  note = {Data as of 2026-11-11}
}