Niceforo Maria’s Oldfield Mouse vs Small Whiteface

Thomasomys nicefori compared with Leucorrhinia dubia

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while Small Whiteface is Near Threatened.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Small Whiteface
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Odonata (Odonata)
Family	Cricetidae	Libellulidae
Genus	Thomasomys	Leucorrhinia
Species	Thomasomys nicefori	Leucorrhinia dubia

Evolutionary Relationship

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

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Small Whiteface

NT — Near Threatened

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Small Whiteface
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.

Small Whiteface

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Small Whiteface

Small Whiteface (Leucorrhinia dubia) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.