Irrawaddy dolphin vs small fan-footed wave

Orcaella brevirostris compared with Idaea biselata

Key Differences

• Irrawaddy dolphin is Endangered while small fan-footed wave is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	small fan-footed wave
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)	Geometridae
Genus	Orcaella	Idaea
Species	Orcaella brevirostris	Idaea biselata

Evolutionary Relationship

Irrawaddy dolphin and small fan-footed wave share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

small fan-footed wave

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	small fan-footed wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

small fan-footed wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.