Arctic lemming vs Orinocan Speckled Tree-rat

Dicrostonyx torquatus compared with Pattonomys punctatus

Key Differences

• Arctic lemming is Least Concern while Orinocan Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Arctic lemming	Orinocan Speckled Tree-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	Cricetidae	Echimyidae
Genus	Dicrostonyx	Pattonomys
Species	Dicrostonyx torquatus	Pattonomys punctatus

Evolutionary Relationship

Arctic lemming and Orinocan Speckled Tree-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Arctic lemming

LC — Least Concern

Orinocan Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Arctic lemming	Orinocan Speckled Tree-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Orinocan Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.