CreatureData

Brown deer mouse

Peromyscus megalops Merriam, 1898

LCLeast Concernrodents

The brown deer mouse (Peromyscus megalops) is a species in the family Cricetidae, order Rodentia. Recorded adults weigh about 66.2 g. Its IUCN Red List status is Least Concern.

Brown deer mouse (Peromyscus megalops)
Photo: James Gathany · Public domain · Wikimedia Commons

Quick facts about the brown deer mouse

Weight
66.2 gsrc for Weight
Length
Not recorded
Lifespan
Not recorded
Diet
Carnivoresrc for Diet
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
1.9src for Young per litter or clutch
Age at maturity
51 dayssrc for Age at maturity
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 brown deer mouse live?

Not recorded

What is the brown deer mouse?

Quoted from WikipediaCC BY-SA 4.0

The brown deer mouse or brown deermouse (Peromyscus megalops) is a 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". It is endemic to Mexico.

From the Wikipedia article “Brown deer mouse” (en.wikipedia.org/w/index.php?title=Brown_deer_mouse&oldid=1313896446), 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 brown deer mouse endangered?

The brown deer 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. What the categories mean.

How is the brown deer mouse classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classMammalia
  4. orderRodentia
  5. familyCricetidae
  6. genusPeromyscus
  7. SpeciesPeromyscus megalops Merriam, 1898

Synonyms Peromyscus auritus, Peromyscus comptus

Other names and names in other languages (9)
  • Broad-faced deer mouseEnglish
  • Broad-faced deermouseEnglish
  • Broad-faced deermouseEnglish
  • Brown deermouseEnglish
  • Ratón pardoSpanish
  • guerreronpeurahiiruFinnish
  • オオメシロアシマウスJapanese
  • myszak brązowyPolish
  • Бурый хомячокRussian

Catalogue of LifeWikipediaiNaturalistWikidataIUCN Red List

Relatives of the brown deer mouse

Other species in the same genus Peromyscus.

LC, Least Concern
Cotton mouse (Peromyscus gossypinus)

Cotton mouse

Peromyscus gossypinus

Cricetidae

CompareBrown deer mouse vs White-footed mouseBrown deer mouse vs Eastern deer mouseBrown deer mouse vs Cactus mouseBrown deer mouse vs Cotton mouse

Common questions

Answered only where our data holds the answer.

How big is the brown deer mouse?

An adult brown deer mouse weighs 66.2 g, according to values recorded on Wikidata.

Is the brown deer mouse endangered?

The brown deer mouse 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 brown deer mouse?

The brown deer mouse (Peromyscus megalops) 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). Brown deer mouse (Peromyscus megalops). Retrieved from https://creaturedata.com/animals/brown-deer-mouse

MLA

“Brown deer mouse (Peromyscus megalops).” CreatureData, 2026, https://creaturedata.com/animals/brown-deer-mouse.

BibTeX
@misc{brown_deer_mouse_2026,
  title = {Brown deer mouse (Peromyscus megalops)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/brown-deer-mouse},
  note = {Data as of 2026-11-11}
}