Merriam’s Pocket Mouse vs slender facelina

Perognathus merriami compared with Facelina auriculata

Key Differences

• Merriam’s Pocket Mouse is Least Concern while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Nudibranchia (Nudibranchia)
Family	Heteromyidae	Facelinidae
Genus	Perognathus	Facelina
Species	Perognathus merriami	Facelina auriculata

Evolutionary Relationship

Merriam’s Pocket Mouse and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

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