CreatureData

Brush mouse vs Eastern deer mouse

The brush mouse is heavier: 21.4 g against 21.3 g for the eastern deer mouse, about 0% more.

Brush mouse (Peromyscus boylii)
Brush mouse LCLeast Concern
Photo: Cheryl Brehme/USGS · Public domain · Wikimedia Commons
Eastern deer mouse (Peromyscus maniculatus)
Eastern deer mouse LCLeast Concern
Photo: 6th Happiness · CC BY-SA 3.0 · Wikimedia Commons

What is the difference between a brush mouse and a eastern deer mouse?

Each point below is worked out from a pair of recorded values.

  • The brush mouse is heavier: 21.4 g against 21.3 g for the eastern deer mouse, about 0% more.
  • The eastern deer mouse is longer-lived: 7.95 years against 1.5 years for the brush mouse, about 5.3 times the lifespan.
  • Both belong to the genus Peromyscus, so they are close relatives.
  • Both are listed as Least Concern on the IUCN Red List.

Side by side

Brush mouseEastern deer mouse
Scientific namePeromyscus boyliiPeromyscus maniculatus
FamilyCricetidaeCricetidae
OrderRodentiaRodentia
Weight21.4 g – 23.9 g20.5 g – 21.3 g
LengthNot recordedNot recorded
Lifespan1.5 years7.95 years
Main foodNot recordedNot recorded
HabitatNot recordedNot recorded
Conservation statusLeast ConcernLeast Concern
Countries recordedNot recordedNot recorded

A scale drawing needs a recorded length for both animals; only weights are on record for this pair.

Full record: Brush mouseFull record: Eastern deer mouseCompare other animals