Little Pocket Mouse vs Upper Crust

Perognathus longimembris compared with Amaurodon cyaneus

Key Differences

• Little Pocket Mouse is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Little Pocket Mouse	Upper Crust
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	Amaurodon
Species	Perognathus longimembris	Amaurodon cyaneus

Conservation Status

Little Pocket Mouse

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Little Pocket Mouse	Upper Crust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Little Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Upper Crust

Habitat

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

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.