Merriam’s Pocket Mouse vs Mountain Plume

Perognathus merriami compared with Stenoptilia islandicus

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Mountain Plume is Vulnerable.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Mountain Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Heteromyidae	Pterophoridae
Genus	Perognathus	Stenoptilia
Species	Perognathus merriami	Stenoptilia islandicus

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Mountain Plume

VU — Vulnerable

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Mountain Plume
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mountain Plume

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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