Amur Brown Lemming vs Sandwich Tern

Lemmus amurensis compared with Thalasseus sandvicensis

Taxonomic Classification

Rank	Amur Brown Lemming	Sandwich 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	Thalasseus
Species	Lemmus amurensis	Thalasseus sandvicensis

Evolutionary Relationship

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

Conservation Status

Amur Brown Lemming

LC — Least Concern

Sandwich Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Amur Brown Lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

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.

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.