Bare-legged Swiftlet vs Dark Crottle

Aerodramus nuditarsus compared with Hypogymnia physodes

Taxonomic Classification

Rank	Bare-legged Swiftlet	Dark Crottle
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Lecanoromycetes (Lecanoromycetes)
Order	Apodiformes (Apodiformes)	Lecanorales (Lecanorales)
Family	Apodidae	Parmeliaceae
Genus	Aerodramus	Hypogymnia
Species	Aerodramus nuditarsus	Hypogymnia physodes

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Dark Crottle

LC — Least Concern

Physical Characteristics

Attribute	Bare-legged Swiftlet	Dark Crottle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

Dark Crottle

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.