Irrawaddy dolphin vs Noctule

Orcaella brevirostris compared with Nyctalus noctula

Key Differences

• Irrawaddy dolphin is Endangered while Noctule is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Chiroptera (Bats)
Family	Delphinidae (Oceanic Dolphins)	Vespertilionidae
Genus	Orcaella	Nyctalus
Species	Orcaella brevirostris	Nyctalus noctula

Evolutionary Relationship

Irrawaddy dolphin and Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.