Irrawaddy dolphin vs Stoat, Ermine

Orcaella brevirostris compared with Mustela erminea

Key Differences

• Irrawaddy dolphin is Endangered while Stoat, Ermine is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Stoat, Ermine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Carnivora (Carnivorans)
Family	Delphinidae (Oceanic Dolphins)	Mustelidae (Weasels & Otters)
Genus	Orcaella	Mustela
Species	Orcaella brevirostris	Mustela erminea

Evolutionary Relationship

Irrawaddy dolphin and Stoat, Ermine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Stoat, Ermine

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Stoat, Ermine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Stoat, Ermine

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Australasia and Indomalayan and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia), Europe (6 countries), North America (United States), and Oceania and the Pacific (New Zealand). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Stoat, Ermine

Stoat, Ermine (Mustela erminea) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.