Downland Conch vs Merriam’s Pocket Mouse

Aethes tesserana compared with Perognathus merriami

Key Differences

• Downland Conch is Critically Endangered while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Downland Conch	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	Aethes	Perognathus
Species	Aethes tesserana	Perognathus merriami

Evolutionary Relationship

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

Conservation Status

Downland Conch

CR — Critically Endangered

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Downland Conch	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Downland Conch

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Currently classified as Critically Endangered 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.