Merriam’s Pocket Mouse vs Saltmarsh Bell

Perognathus merriami compared with Eucosma tripoliana

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Saltmarsh Bell is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Saltmarsh Bell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Heteromyidae	Tortricidae
Genus	Perognathus	Eucosma
Species	Perognathus merriami	Eucosma tripoliana

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Saltmarsh Bell

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Saltmarsh Bell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Saltmarsh Bell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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