Arctic lemming vs Baleia-comum

Dicrostonyx torquatus compared with Balaenoptera physalus

Key Differences

• Arctic lemming is Least Concern while Baleia-comum is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Baleia-comum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Roedores)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Balaenopteridae (Rorquals)
Genus	Dicrostonyx	Balaenoptera (Rorquals)
Species	Dicrostonyx torquatus	Balaenoptera physalus

Evolutionary Relationship

Arctic lemming and Baleia-comum share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Arctic lemming

LC — Least Concern

Baleia-comum

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Baleia-comum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Baleia-comum

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Baleia-comum

A baleia-fin (Balaenoptera physalus) está classificada como Em Perigo (EN) na Lista Vermelha da IUCN. Com alto risco de extinção em estado selvagem, com declínio populacional significativo e ameaças contínuas à sua sobrevivência.