Irrawaddy dolphin vs Pomarine Jaeger

Orcaella brevirostris compared with Stercorarius pomarinus

Key Differences

• Irrawaddy dolphin is Endangered while Pomarine Jaeger is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Pomarine Jaeger
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)	Stercorariidae
Genus	Orcaella	Stercorarius
Species	Orcaella brevirostris	Stercorarius pomarinus

Evolutionary Relationship

Irrawaddy dolphin and Pomarine Jaeger share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Pomarine Jaeger

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Pomarine Jaeger
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pomarine Jaeger

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Pomarine Jaeger

Pomarine Jaeger (Stercorarius pomarinus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.