Bare-legged Swiftlet vs

Aerodramus nuditarsus compared with Pyrenula nitida

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)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Eurotiomycetes (Eurotiomycetes)
Order	Apodiformes (Apodiformes)	Pyrenulales (Pyrenulales)
Family	Apodidae	Pyrenulaceae
Genus	Aerodramus	Pyrenula
Species	Aerodramus nuditarsus	Pyrenula nitida

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

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. 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.

Pyrenula nitida is a corticolous crustose lichen producing a smooth, glossy olive-green to brown thallus with embedded, flask-shaped perithecia on smooth bark of ancient broadleaf trees in humid Atlantic woodland. It is considered a flagship indicator species for long-continuity, old-growth woodland in western Europe. Endangered, this lichen is severely threatened by the loss of veteran trees and ancient woodland habitats.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway