Irrawaddy dolphin vs Ontong Java Flying Fox

Orcaella brevirostris compared with Pteropus howensis

Key Differences

• Irrawaddy dolphin is Endangered while Ontong Java Flying Fox is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	Ontong Java Flying Fox
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Cetacea (Whales & Dolphins)	Chiroptera (翼手目)
Family	Delphinidae (Oceanic Dolphins)	Pteropodidae (Fruit Bats)
Genus	Orcaella	Pteropus (Flying Foxes)
Species	Orcaella brevirostris	Pteropus howensis

Evolutionary Relationship

Irrawaddy dolphin and Ontong Java Flying Fox share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Ontong Java Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Ontong Java Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ontong Java Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.