Atiu Swiftlet vs Balkan Clouded Yellow

Aerodramus sawtelli compared with Colias caucasica

Key Differences

• Atiu Swiftlet is Vulnerable while Balkan Clouded Yellow is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Balkan Clouded Yellow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Pieridae
Genus	Aerodramus	Colias
Species	Aerodramus sawtelli	Colias caucasica

Evolutionary Relationship

Atiu Swiftlet and Balkan Clouded Yellow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Balkan Clouded Yellow

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Balkan Clouded Yellow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atiu Swiftlet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Balkan Clouded Yellow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries).

Atiu Swiftlet

The Atiu Swiftlet (Aerodramus sawtelli) is a species in the genus Aerodramus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Balkan Clouded Yellow

The Balkan Clouded Yellow (Colias caucasica) is a species in the genus Colias. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.