Amur Brown Lemming vs River Tern

Lemmus amurensis compared with Sterna aurantia

Key Differences

• Amur Brown Lemming is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Amur Brown Lemming	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Lemmus	Sterna
Species	Lemmus amurensis	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Amur Brown Lemming

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Amur Brown Lemming	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown Lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. 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.