Bare-legged Swiftlet vs Bitter Scalewort

Aerodramus nuditarsus compared with Porella arboris-vitae

Key Differences

• Bare-legged Swiftlet is Least Concern while Bitter Scalewort is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Bitter Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Aves (Birds)	Jungermanniopsida (Jungermanniopsida)
Order	Apodiformes (Apodiformes)	Porellales (Porellales)
Family	Apodidae	Porellaceae
Genus	Aerodramus	Porella
Species	Aerodramus nuditarsus	Porella arboris-vitae

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Bitter Scalewort

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Bitter Scalewort
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.

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable 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.

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway