Niceforo Maria’s Oldfield Mouse vs Tacked Milkcap

Thomasomys nicefori compared with Lactarius trivialis

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while Tacked Milkcap is Vulnerable.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Tacked Milkcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Russulales (Russulales)
Family	Cricetidae	Russulaceae
Genus	Thomasomys	Lactarius
Species	Thomasomys nicefori	Lactarius trivialis

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Tacked Milkcap

VU — Vulnerable

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Tacked Milkcap
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.

Tacked Milkcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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