Niceforo Maria’s Oldfield Mouse vs Obscure Bell

Thomasomys nicefori compared with Eucosma aemulana

Key Differences

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

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Obscure Bell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Tortricidae
Genus	Thomasomys	Eucosma
Species	Thomasomys nicefori	Eucosma aemulana

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and Obscure Bell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Obscure Bell

VU — Vulnerable

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Obscure Bell
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.

Obscure Bell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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