Irrawaddy dolphin vs Norway lemming

Orcaella brevirostris compared with Lemmus lemmus

Key Differences

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

Taxonomic Classification

Rank	Irrawaddy dolphin	Norway 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	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Orcaella	Lemmus
Species	Orcaella brevirostris	Lemmus lemmus

Evolutionary Relationship

Irrawaddy dolphin and Norway lemming share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Norway lemming

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Norway lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.