Nerz vs Guaira Spiny-rat

Mustela lutreola compared with Proechimys guairae

Key Differences

• Nerz is Extinct while Guaira Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Nerz	Guaira Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Carnivora (Raubtiere)	Rodentia (Nagetiere)
Family	Mustelidae (Weasels & Otters)	Echimyidae
Genus	Mustela	Proechimys
Species	Mustela lutreola	Proechimys guairae

Evolutionary Relationship

Nerz and Guaira Spiny-rat share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Nerz

EX — Extinct

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Nerz	Guaira Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nerz

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries).

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.