Irrawaddy dolphin vs Obscure Drill

Orcaella brevirostris compared with Dichrorampha aeratana

Key Differences

• Irrawaddy dolphin is Endangered while Obscure Drill is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Obscure Drill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Delphinidae (Oceanic Dolphins)	Tortricidae
Genus	Orcaella	Dichrorampha
Species	Orcaella brevirostris	Dichrorampha aeratana

Evolutionary Relationship

Irrawaddy dolphin and Obscure Drill share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Obscure Drill

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Obscure Drill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Obscure Drill

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.