Great Dusky Swift vs Lesser Noctule

Cypseloides senex compared with Nyctalus leisleri

Key Differences

• Great Dusky Swift is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Great Dusky Swift	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Chiroptera (Bats)
Family	Apodidae	Vespertilionidae
Genus	Cypseloides	Nyctalus
Species	Cypseloides senex	Nyctalus leisleri

Evolutionary Relationship

Great Dusky Swift and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Great Dusky Swift

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Great Dusky Swift	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Dusky Swift

Habitat

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

Range

Found in Norway.

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.