Amur Brown Lemming vs Chinese Crested Tern

Lemmus amurensis compared with Thalasseus bernsteini

Key Differences

• Amur Brown Lemming is Least Concern while Chinese Crested Tern is Critically Endangered.

Taxonomic Classification

Rank	Amur Brown Lemming	Chinese Crested 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 bernsteini

Evolutionary Relationship

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

Conservation Status

Amur Brown Lemming

LC — Least Concern

Chinese Crested Tern

CR — Critically Endangered

Physical Characteristics

Attribute	Amur Brown Lemming	Chinese Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown Lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chinese Crested Tern

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Norway and Taiwan. 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.

Chinese Crested Tern

The Chinese Crested Tern (Thalasseus bernsteini) is a species in the genus Thalasseus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.