Downy Emerald vs Japanese Noctule

Cordulia aenea compared with Nyctalus furvus

Key Differences

• Downy Emerald is Least Concern while Japanese Noctule is Endangered.

Taxonomic Classification

Rank	Downy Emerald	Japanese Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Odonata (Odonata)	Chiroptera (Bats)
Family	Corduliidae	Vespertilionidae
Genus	Cordulia	Nyctalus
Species	Cordulia aenea	Nyctalus furvus

Evolutionary Relationship

Downy Emerald and Japanese Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Downy Emerald

LC — Least Concern

Japanese Noctule

EN — Endangered

Physical Characteristics

Attribute	Downy Emerald	Japanese Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Downy Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Japanese Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Downy Emerald

Downy Emerald (Cordulia aenea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.