North Atlantic right whale vs Pacific white-sided dolphin

Eubalaena glacialis compared with Lagenorhynchus obliquidens

Key Differences

• North Atlantic right whale is Extinct while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	North Atlantic right whale	Pacific white-sided dolphin
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Balaenidae	Delphinidae (Oceanic Dolphins)
Genus	Eubalaena	Lagenorhynchus
Species	Eubalaena glacialis	Lagenorhynchus obliquidens

Evolutionary Relationship

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

Conservation Status

North Atlantic right whale

EX — Extinct

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	North Atlantic right whale	Pacific white-sided dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

North Atlantic right whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.