Merriam’s Pocket Mouse vs Three-lined Soldier

Perognathus merriami compared with Oxycera trilineata

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Three-lined Soldier is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Three-lined Soldier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Heteromyidae	Stratiomyidae
Genus	Perognathus	Oxycera
Species	Perognathus merriami	Oxycera trilineata

Evolutionary Relationship

Merriam’s Pocket Mouse and Three-lined Soldier share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Three-lined Soldier

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Three-lined Soldier
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Three-lined Soldier

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.