Japanese Noctule vs Least Bittern

Nyctalus furvus compared with Ixobrychus exilis

Key Differences

• Japanese Noctule is Endangered while Least Bittern is Least Concern.

Taxonomic Classification

Rank	Japanese Noctule	Least Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Pelecaniformes (Pelecaniformes)
Family	Vespertilionidae	Ardeidae
Genus	Nyctalus	Ixobrychus
Species	Nyctalus furvus	Ixobrychus exilis

Evolutionary Relationship

Japanese Noctule and Least Bittern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Noctule

EN — Endangered

Least Bittern

LC — Least Concern

Physical Characteristics

Attribute	Japanese Noctule	Least Bittern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Bittern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Least Bittern

Least Bittern (Ixobrychus exilis) 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.