Bare-legged Swiftlet vs

Aerodramus nuditarsus compared with Cortinarius hillieri

Key Differences

• Bare-legged Swiftlet is Least Concern while is Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Apodiformes (Apodiformes)	Agaricales (Gilled Mushrooms)
Family	Apodidae	Cortinariaceae
Genus	Aerodramus	Cortinarius
Species	Aerodramus nuditarsus	Cortinarius hillieri

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

EN — Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet
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.

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as 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.

Cortinarius hillieri is a mycorrhizal agaric fungus in the family Cortinariaceae, assessed as Endangered (EN). It forms ectomycorrhizal associations with forest trees and produces characteristic cobweb-like veils (cortina) when young. Its endangered status reflects habitat loss through deforestation and changes in woodland management.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway