Irrawaddy dolphin vs North Atlantic right whale

Orcaella brevirostris compared with Eubalaena glacialis

Key Differences

• Irrawaddy dolphin is Endangered while North Atlantic right whale is Extinct.

Taxonomic Classification

Rank	Irrawaddy dolphin	North Atlantic right whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Delphinidae (Oceanic Dolphins)	Balaenidae
Genus	Orcaella	Eubalaena
Species	Orcaella brevirostris	Eubalaena glacialis

Evolutionary Relationship

Irrawaddy dolphin and North Atlantic right whale share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Irrawaddy dolphin

EN — Endangered

North Atlantic right whale

EX — Extinct

Physical Characteristics

Attribute	Irrawaddy dolphin	North Atlantic right whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

North Atlantic right whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.