Merriam’s Pocket Mouse vs Spruce Tooth

Perognathus merriami compared with Phellodon violascens

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Spruce Tooth is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Spruce Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Thelephorales (Thelephorales)
Family	Heteromyidae	Thelephoraceae
Genus	Perognathus	Phellodon
Species	Perognathus merriami	Phellodon violascens

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Spruce Tooth

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Spruce Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spruce Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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