Irrawaddy dolphin vs Yellow-billed Loon

Orcaella brevirostris compared with Gavia adamsii

Key Differences

• Irrawaddy dolphin is Endangered while Yellow-billed Loon is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	Yellow-billed Loon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Gaviiformes (Gaviiformes)
Family	Delphinidae (Oceanic Dolphins)	Gaviidae
Genus	Orcaella	Gavia
Species	Orcaella brevirostris	Gavia adamsii

Evolutionary Relationship

Irrawaddy dolphin and Yellow-billed Loon share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Yellow-billed Loon

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	Yellow-billed Loon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Yellow-billed Loon

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.