Bare-legged Swiftlet vs Thick-nerved Apple-moss

Aerodramus nuditarsus compared with Philonotis calcarea

Key Differences

Bare-legged Swiftlet is Least Concern while Thick-nerved Apple-moss is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Thick-nerved Apple-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Aves (Birds)	Bryopsida (Bryopsida)
Order	Apodiformes (Apodiformes)	Bartramiales (Bartramiales)
Family	Apodidae	Bartramiaceae
Genus	Aerodramus	Philonotis
Species	Aerodramus nuditarsus	Philonotis calcarea

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Thick-nerved Apple-moss

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Thick-nerved Apple-moss
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.

Thick-nerved Apple-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (6 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.