Bare-legged Swiftlet vs Blackthorn slender

Aerodramus nuditarsus compared with Parornix torquillella

Key Differences

• Bare-legged Swiftlet is Least Concern while Blackthorn slender is Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Blackthorn slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Gracillariidae
Genus	Aerodramus	Parornix
Species	Aerodramus nuditarsus	Parornix torquillella

Evolutionary Relationship

Bare-legged Swiftlet and Blackthorn slender share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Blackthorn slender

EN — Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Blackthorn slender
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.

Blackthorn slender

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries). 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.

Blackthorn slender

The Blackthorn slender (Parornix torquillella) is a species in the genus Parornix. It is currently classified as Endangered on the IUCN Red List. Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway