Fernandina Nesoryzomys vs Niceforo Maria’s Oldfield Mouse

Nesoryzomys fernandinae compared with Thomasomys nicefori

Key Differences

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

Taxonomic Classification

Rank	Fernandina Nesoryzomys	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family same	Cricetidae	Cricetidae
Genus	Nesoryzomys	Thomasomys
Species	Nesoryzomys fernandinae	Thomasomys nicefori

Evolutionary Relationship

Fernandina Nesoryzomys and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Family level: Cricetidae.

Conservation Status

Fernandina Nesoryzomys

VU — Vulnerable

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Fernandina Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.