Lesser Noctule vs Narrow-tailed Emerald

Nyctalus leisleri compared with Chlorostilbon stenurus

Key Differences

• Lesser Noctule is Endangered while Narrow-tailed Emerald is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Narrow-tailed Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Apodiformes (Apodiformes)
Family	Vespertilionidae	Trochilidae
Genus	Nyctalus	Chlorostilbon
Species	Nyctalus leisleri	Chlorostilbon stenurus

Evolutionary Relationship

Lesser Noctule and Narrow-tailed Emerald share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Narrow-tailed Emerald

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Narrow-tailed Emerald
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Narrow-tailed Emerald

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela.