Kleines Nordamerika-Mausohr vs Niceforo Maria’s Oldfield Mouse

Myotis lucifugus compared with Thomasomys nicefori

Key Differences

• Kleines Nordamerika-Mausohr is Endangered while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Kleines Nordamerika-Mausohr	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Rodentia (Rodents)
Family	Vespertilionidae	Cricetidae
Genus	Myotis	Thomasomys
Species	Myotis lucifugus	Thomasomys nicefori

Evolutionary Relationship

Kleines Nordamerika-Mausohr and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Kleines Nordamerika-Mausohr

EN — Endangered

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Kleines Nordamerika-Mausohr	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Kleines Nordamerika-Mausohr

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States. Currently classified as Endangered 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.