Merriam’s Pocket Mouse vs White Hedgehog

Perognathus merriami compared with Hydnum albidum

Key Differences

• Merriam’s Pocket Mouse is Least Concern while White Hedgehog is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	White Hedgehog
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Cantharellales (Cantharellales)
Family	Heteromyidae	Hydnaceae
Genus	Perognathus	Hydnum
Species	Perognathus merriami	Hydnum albidum

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

White Hedgehog

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	White Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White Hedgehog

Habitat

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

Range

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