Bare-legged Swiftlet vs Blue Pouchwort

Aerodramus nuditarsus compared with Calypogeia azurea

Key Differences

• Bare-legged Swiftlet is Least Concern while Blue Pouchwort is Critically Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Blue Pouchwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Aves (Birds)	Jungermanniopsida (Jungermanniopsida)
Order	Apodiformes (Apodiformes)	Jungermanniales (Jungermanniales)
Family	Apodidae	Calypogeiaceae
Genus	Aerodramus	Calypogeia
Species	Aerodramus nuditarsus	Calypogeia azurea

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Blue Pouchwort

CR — Critically Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Blue Pouchwort
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.

Blue Pouchwort

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and Mediterranean forests and woodlands spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 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.

Blue Pouchwort

The Blue Pouchwort (Calypogeia azurea) is a species in the genus Calypogeia. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and Mediterranean forests and woodlands spanning the Indomalayan and Palearctic realms. Populations are a

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway