Hotson’s Brush-tailed Mouse vs Napo Spiny-rat

Calomyscus hotsoni compared with Proechimys quadruplicatus

Taxonomic Classification

Rank	Hotson’s Brush-tailed Mouse	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Calomyscidae	Echimyidae
Genus	Calomyscus	Proechimys
Species	Calomyscus hotsoni	Proechimys quadruplicatus

Evolutionary Relationship

Hotson’s Brush-tailed Mouse and Napo Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Hotson’s Brush-tailed Mouse

LC — Least Concern

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Hotson’s Brush-tailed Mouse	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.