CreatureData

Oldfield mouse

Peromyscus polionotus (Wagner, 1843)

LCLeast Concernrodents

The oldfield mouse (Peromyscus polionotus) is a species in the family Cricetidae, order Rodentia. Recorded adults weigh 13 g to 14 g and live up to 5.5 years. Its IUCN Red List status is Least Concern.

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Quick facts about the oldfield mouse

Weight
13 g – 14 gsrc for Weight
Length
Not recorded
Lifespan
5.5 yearssrc for Lifespan
Diet
Carnivoresrc for Diet
Longest recorded lifespan
5.5 years
Main food
Not recorded
Habitat
Not recorded
Gestation
24 dayssrc for Gestation
Young per litter or clutch
3.6src for Young per litter or clutch
Age at maturity
30 dayssrc for Age at maturity
Litters or clutches a year
2.7src for Litters or clutches a year
Active
At night (nocturnal)src for Active
Lifestyle
Terrestrialsrc for Lifestyle
Conservation status
Least Concern (IUCN)src for Conservation status
Countries on record
Not recorded

Where does the oldfield mouse live?

Not recorded

What is the oldfield mouse?

Quoted from WikipediaCC BY-SA 4.0

The oldfield mouse, oldfield deermouse or beach mouse (Peromyscus polionotus) is a nocturnal species of rodent in the family Cricetidae. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice", that primarily eats seeds. It lives in holes throughout the Southeastern United States in beaches and sandy fields. Predators to these mice include birds and mammals. In 2016, these mice were in the least concern category on the IUCN Red List with certain subspecies classified as extinct, critically endangered, endangered or near threatened.

From the Wikipedia article “Oldfield mouse” (en.wikipedia.org/w/index.php?title=Oldfield_mouse&oldid=1384659607), 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 oldfield mouse endangered?

The oldfield mouse 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.

How is the oldfield mouse classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classMammalia
  4. orderRodentia
  5. familyCricetidae
  6. genusPeromyscus
  7. SpeciesPeromyscus polionotus (Wagner, 1843)

Synonyms Hesperomys niveiventris, Mus polionotus, Peromyscus leucocephalus, Peromyscus phasma, Peromyscus polionotus albifrons, Peromyscus polionotus allophrys, Peromyscus polionotus ammobates, Peromyscus polionotus colemani, Peromyscus polionotus decoloratus, Peromyscus polionotus griseobracatus, Peromyscus polionotus leucocephalus, Peromyscus polionotus lucubrans, Peromyscus polionotus niveiventris, Peromyscus polionotus peninsularis, Peromyscus polionotus phasma, Peromyscus polionotus polionotus, Peromyscus polionotus rhoadsi, Peromyscus polionotus subgriseus, Peromyscus polionotus sumneri, Peromyscus polionotus trissyllepsis, Peromyscus subgriseus baliolus, Peromyscus subgriseus rhoadsi, Sitomys niveiventris subgriseus, Sitomys viveiventris subgriseus

Other names and names in other languages (12)
  • Beach mouseEnglish
  • Beach mouseEnglish
  • Choctawhatchee beach mouseEnglish
  • Choctawhatchee beach mouseEnglish
  • Oldfield deermouseEnglish
  • Oldfield deermouseEnglish
  • Ratón de playaSpanish
  • kesantopeurahiiruFinnish
  • Souris de plageFrench
  • ハイイロシロアシマウスJapanese
  • myszak plażowyPolish
  • Береговой хомячокRussian

Catalogue of LifeWikipediaiNaturalistWikidataIUCN Red List

Relatives of the oldfield mouse

Other species in the same genus Peromyscus.

LC, Least Concern

Cotton mouse

Peromyscus gossypinus

CricetidaeNo free photo yet

CompareOldfield mouse vs White-footed mouseOldfield mouse vs Eastern deer mouseOldfield mouse vs Cactus mouseOldfield mouse vs Cotton mouse

Common questions

Answered only where our data holds the answer.

How big is the oldfield mouse?

An adult oldfield mouse weighs 13 g – 14 g, according to values recorded on Wikidata.

Is the oldfield mouse endangered?

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

How long does the oldfield mouse live?

The oldfield mouse has a recorded lifespan of 5.5 years.

How long is the oldfield mouse pregnant?

The recorded gestation period is 24 days.

What kind of animal is the oldfield mouse?

The oldfield mouse (Peromyscus polionotus) belongs to the family Cricetidae in the order Rodentia.

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). Oldfield mouse (Peromyscus polionotus). Retrieved from https://creaturedata.com/animals/oldfield-mouse

MLA

“Oldfield mouse (Peromyscus polionotus).” CreatureData, 2026, https://creaturedata.com/animals/oldfield-mouse.

BibTeX
@misc{oldfield_mouse_2026,
  title = {Oldfield mouse (Peromyscus polionotus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/oldfield-mouse},
  note = {Data as of 2026-11-11}
}