Pacific white-sided dolphin vs Thick-billed Murre

Lagenorhynchus obliquidens compared with Uria lomvia

Key Differences

• Pacific white-sided dolphin is Least Concern while Thick-billed Murre is Endangered.

Taxonomic Classification

Rank	Pacific white-sided dolphin	Thick-billed Murre
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Alcidae
Genus	Lagenorhynchus	Uria
Species	Lagenorhynchus obliquidens	Uria lomvia

Evolutionary Relationship

Pacific white-sided dolphin and Thick-billed Murre share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific white-sided dolphin

LC — Least Concern

Thick-billed Murre

EN — Endangered

Physical Characteristics

Attribute	Pacific white-sided dolphin	Thick-billed Murre
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Thick-billed Murre

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.