Irrawaddy dolphin vs Kerguelen Tern

Orcaella brevirostris compared with Sterna virgata

Key Differences

• Irrawaddy dolphin is Endangered while Kerguelen Tern is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	Kerguelen Tern
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)	Laridae
Genus	Orcaella	Sterna
Species	Orcaella brevirostris	Sterna virgata

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Kerguelen Tern

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	Kerguelen Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Kerguelen Tern

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.