Nerz vs Orinocan Speckled Tree-rat

Mustela lutreola compared with Pattonomys punctatus

Key Differences

• Nerz is Extinct while Orinocan Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Nerz	Orinocan Speckled Tree-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	Pattonomys
Species	Mustela lutreola	Pattonomys punctatus

Evolutionary Relationship

Nerz and Orinocan Speckled Tree-rat share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Nerz

EX — Extinct

Orinocan Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Nerz	Orinocan Speckled Tree-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).

Orinocan Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.