Bare-legged Swiftlet vs Elm Leech

Aerodramus nuditarsus compared with Hypsizygus ulmarius

Key Differences

• Bare-legged Swiftlet is Least Concern while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Apodiformes (Apodiformes)	Agaricales (Gilled Mushrooms)
Family	Apodidae	Lyophyllaceae
Genus	Aerodramus	Hypsizygus
Species	Aerodramus nuditarsus	Hypsizygus ulmarius

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Elm Leech
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.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway