Caatinga-Vespermaus vs Gray-footed Spiny-rat

Calomys expulsus compared with Proechimys poliopus

Key Differences

• Caatinga-Vespermaus is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Caatinga-Vespermaus	Gray-footed Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Cricetidae	Echimyidae
Genus	Calomys	Proechimys
Species	Calomys expulsus	Proechimys poliopus

Evolutionary Relationship

Caatinga-Vespermaus and Gray-footed Spiny-rat share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Caatinga-Vespermaus

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Caatinga-Vespermaus	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga-Vespermaus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Caatinga-Vespermaus

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.