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 (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
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.