Elm Button vs Merriam’s Pocket Mouse

Acleris kochiella compared with Perognathus merriami

Key Differences

• Elm Button is Vulnerable while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Elm Button

VU — Vulnerable

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Elm Button	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Elm Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.