Niceforo Maria’s Oldfield Mouse vs Raya

Thomasomys nicefori compared with Myliobatis peruvianus

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while Raya is Vulnerable.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Raya
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Myliobatidae
Genus	Thomasomys	Myliobatis
Species	Thomasomys nicefori	Myliobatis peruvianus

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and Raya share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Raya

VU — Vulnerable

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Raya
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Raya

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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