CreatureData

Fog shrew

Sorex sonomae Jackson, 1921

LCLeast Concernmammals

The fog shrew (Sorex sonomae) is a species in the family Soricidae, order Eulipotyphla. Recorded adults weigh 6.35 g to 8.3 g and live up to 1.5 years. Its IUCN Red List status is Least Concern.

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Quick facts about the fog shrew

Weight
6.35 g – 8.3 gsrc for Weight
Length
Not recorded
Lifespan
1.5 yearssrc for Lifespan
Diet
Invertivoresrc for Diet
Longest recorded lifespan
2.08 years
Main food
insectsrc for Main food
Habitat
forest, wetlandsrc for Habitat
Gestation
20.3 dayssrc for Gestation
Young per litter or clutch
4.75src for Young per litter or clutch
Age at maturity
13.7 monthssrc for Age at maturity
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 fog shrew live?

Not recorded

What is the fog shrew?

Quoted from WikipediaCC BY-SA 4.0

The fog shrew (Sorex sonomae') is a species of mammal in the family Soricidae. It is endemic to northern California and Oregon in the United States.

From the Wikipedia article “Fog shrew” (en.wikipedia.org/w/index.php?title=Fog_shrew&oldid=1313949327), 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 fog shrew endangered?

The fog 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 fog shrew classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classMammalia
  4. orderEulipotyphla
  5. familySoricidae
  6. genusSorex
  7. SpeciesSorex sonomae Jackson, 1921

Synonyms Sorex pacificus sonomae

Other names and names in other languages (7)
  • Sonoma shrewEnglish
  • rejsek sonorskýCzech
  • NebelspitzmausGerman
  • tummavatsapäästäinenFinnish
  • キリトガリネズミJapanese
  • MistspitsmuisDutch
  • ryjówka mgielnaPolish

Catalogue of LifeWikipediaiNaturalistWikidataIUCN Red List

Relatives of the fog shrew

Other species in the same genus Sorex.

CompareFog shrew vs Eurasian pygmy shrewFog shrew vs Common shrewFog shrew vs Laxmann's shrewFog shrew vs Eurasian least shrew

Common questions

Answered only where our data holds the answer.

How big is the fog shrew?

An adult fog shrew weighs 6.35 g – 8.3 g, according to values recorded on Wikidata.

Is the fog shrew endangered?

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

What does the fog shrew eat?

Its recorded main food is insect.

How long does the fog shrew live?

The fog shrew has a recorded lifespan of 1.5 years.

How long is the fog shrew pregnant?

The recorded gestation period is 20.3 days.

What kind of animal is the fog shrew?

The fog shrew (Sorex sonomae) 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). Fog shrew (Sorex sonomae). Retrieved from https://creaturedata.com/animals/fog-shrew

MLA

“Fog shrew (Sorex sonomae).” CreatureData, 2026, https://creaturedata.com/animals/fog-shrew.

BibTeX
@misc{fog_shrew_2026,
  title = {Fog shrew (Sorex sonomae)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/fog-shrew},
  note = {Data as of 2026-11-11}
}