Amur Brown Lemming vs Surprise Thorius

Lemmus amurensis compared with Thorius insperatus

Key Differences

• Amur Brown Lemming is Least Concern while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Amur Brown Lemming	Surprise Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Plethodontidae
Genus	Lemmus	Thorius
Species	Lemmus amurensis	Thorius insperatus

Evolutionary Relationship

Amur Brown Lemming and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amur Brown Lemming

LC — Least Concern

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Amur Brown Lemming	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown Lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Surprise Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered 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.