Field Brome vs Niceforo Maria’s Oldfield Mouse

Bromus arvensis compared with Thomasomys nicefori

Key Differences

• Field Brome is Near Threatened while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Field Brome	Niceforo Maria’s Oldfield Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Rodentia (Rodents)
Family	Poaceae (Grass Family)	Cricetidae
Genus	Bromus	Thomasomys
Species	Bromus arvensis	Thomasomys nicefori

Conservation Status

Field Brome

NT — Near Threatened

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Field Brome	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Field Brome

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (China, India, Japan), Europe (18 countries), and North America (Canada, Mexico, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.