Niceforo Maria’s Oldfield Mouse vs Pixie Foam

Thomasomys nicefori compared with Stereocaulon pileatum

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Pixie Foam
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Ascomycota (子嚢菌門)
Class	Mammalia (哺乳類)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Rodentia (ネズミ目)	Lecanorales (チャシブゴケ目)
Family	Cricetidae	Stereocaulaceae
Genus	Thomasomys	Stereocaulon
Species	Thomasomys nicefori	Stereocaulon pileatum

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Pixie Foam
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.

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.