Bare-legged Swiftlet vs Threeleaf Halberd Fern

Aerodramus nuditarsus compared with Tectaria trifoliata

Key Differences

• Bare-legged Swiftlet is Least Concern while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Threeleaf Halberd Fern
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Tracheophyta
Class	Aves (นก)	Polypodiopsida (Polypodiopsida)
Order	Apodiformes (Apodiformes)	Polypodiales (Polypodiales)
Family	Apodidae	Tectariaceae
Genus	Aerodramus	Tectaria
Species	Aerodramus nuditarsus	Tectaria trifoliata

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	Threeleaf Halberd Fern
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.

Threeleaf Halberd Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.