Bare-legged Swiftlet vs fern-grass

Aerodramus nuditarsus compared with Catapodium rigidum

Key Differences

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

Taxonomic Classification

Rank	Bare-legged Swiftlet	fern-grass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Liliopsida (Monocots)
Order	Apodiformes (Apodiformes)	Poales (Grasses)
Family	Apodidae	Poaceae (Grass Family)
Genus	Aerodramus	Catapodium
Species	Aerodramus nuditarsus	Catapodium rigidum

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

fern-grass

EN — Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	fern-grass
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.

fern-grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (10 countries), North America (Mexico), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway