Arctic lemming vs Irrawaddy dolphin

Dicrostonyx torquatus compared with Orcaella brevirostris

Key Differences

• Arctic lemming is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Irrawaddy dolphin
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Dicrostonyx	Orcaella
Species	Dicrostonyx torquatus	Orcaella brevirostris

Evolutionary Relationship

Arctic lemming and Irrawaddy dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Arctic lemming

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.