Merriam’s Pocket Mouse vs Olive Nut Truffle

Perognathus merriami compared with Hymenogaster olivaceus

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Olive Nut Truffle is Data Deficient.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Olive Nut Truffle
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Heteromyidae	Hymenogastraceae
Genus	Perognathus	Hymenogaster
Species	Perognathus merriami	Hymenogaster olivaceus

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Olive Nut Truffle

DD — Data Deficient

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Olive Nut Truffle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Olive Nut Truffle

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.