Amur Brown Lemming vs Ecuadorian Cotton Rat

Lemmus amurensis compared with Sigmodon inopinatus

Key Differences

• Amur Brown Lemming is Least Concern while Ecuadorian Cotton Rat is Vulnerable.

Taxonomic Classification

Rank	Amur Brown Lemming	Ecuadorian Cotton Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family same	Cricetidae	Cricetidae
Genus	Lemmus	Sigmodon
Species	Lemmus amurensis	Sigmodon inopinatus

Evolutionary Relationship

Amur Brown Lemming and Ecuadorian Cotton Rat share a common ancestor at the Family level: Cricetidae.

Conservation Status

Amur Brown Lemming

LC — Least Concern

Ecuadorian Cotton Rat

VU — Vulnerable

Physical Characteristics

Attribute	Amur Brown Lemming	Ecuadorian Cotton Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown Lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Amur Brown Lemming

The Amur Brown Lemming (Lemmus amurensis) is a species in the genus Lemmus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.