Irrawaddy dolphin vs tundra vole

Orcaella brevirostris compared with Microtus oeconomus

Key Differences

• Irrawaddy dolphin is Endangered while tundra vole is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	tundra vole
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	Microtus
Species	Orcaella brevirostris	Microtus oeconomus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

tundra vole

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	tundra vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

tundra vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Russia.