CreatureData

Cactus mouse vs Oldfield mouse

The cactus mouse is heavier: 23.7 g against 13 g for the oldfield mouse, about 83% more.

Cactus mouse (Peromyscus eremicus)
Cactus mouse LCLeast Concern
Photo: United States National Park Service · Public domain · Wikimedia Commons
Oldfield mouse (Peromyscus polionotus)
Oldfield mouse LCLeast Concern
Photo: United States National Park Service · Public domain · Wikimedia Commons

What is the difference between a cactus mouse and a oldfield mouse?

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

  • The cactus mouse is heavier: 23.7 g against 13 g for the oldfield mouse, about 83% more.
  • The cactus mouse is longer-lived: 7.4 years against 5.5 years for the oldfield mouse, about 35% longer.
  • 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

Cactus mouseOldfield mouse
Scientific namePeromyscus eremicusPeromyscus polionotus
FamilyCricetidaeCricetidae
OrderRodentiaRodentia
Weight20 g – 23.7 g13 g – 14 g
LengthNot recordedNot recorded
Lifespan7.4 years5.5 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: Cactus mouseFull record: Oldfield mouseCompare other animals