Amazon River Dolphin vs Arctic lemming

Inia geoffrensis compared with Dicrostonyx torquatus

Key Differences

• Amazon River Dolphin is Data Deficient while Arctic lemming is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Arctic lemming
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Iniidae	Cricetidae
Genus	Inia	Dicrostonyx
Species	Inia geoffrensis	Dicrostonyx torquatus

Evolutionary Relationship

Amazon River Dolphin and Arctic lemming share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Arctic lemming

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Arctic lemming
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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.