Irrawaddy dolphin vs Mountain Swiftlet

Orcaella brevirostris compared with Aerodramus hirundinaceus

Key Differences

• Irrawaddy dolphin is Endangered while Mountain Swiftlet is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Mountain Swiftlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Apodiformes (Apodiformes)
Family	Delphinidae (Oceanic Dolphins)	Apodidae
Genus	Orcaella	Aerodramus
Species	Orcaella brevirostris	Aerodramus hirundinaceus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Mountain Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Mountain Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mountain Swiftlet

Habitat

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

Range

Found in Norway.