Merriam’s Pocket Mouse vs Raie brunette

Perognathus merriami compared with Raja undulata

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Raie brunette is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Raie brunette
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Heteromyidae	Rajidae
Genus	Perognathus	Raja
Species	Perognathus merriami	Raja undulata

Evolutionary Relationship

Merriam’s Pocket Mouse and Raie brunette share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Raie brunette

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Raie brunette
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Raie brunette

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.