Atiu Swiftlet vs Balkan Fritillary

Aerodramus sawtelli compared with Boloria graeca

Key Differences

• Atiu Swiftlet is Vulnerable while Balkan Fritillary is Near Threatened.

Taxonomic Classification

Rank	Atiu Swiftlet	Balkan Fritillary
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aerodramus	Boloria
Species	Aerodramus sawtelli	Boloria graeca

Evolutionary Relationship

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

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Balkan Fritillary

NT — Near Threatened

Physical Characteristics

Attribute	Atiu Swiftlet	Balkan Fritillary
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 Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 Fritillary

The Balkan Fritillary (Boloria graeca) is a species in the genus Boloria. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.