Atiu Swiftlet vs Bitternut

Aerodramus sawtelli compared with Carya cordiformis

Key Differences

• Atiu Swiftlet is Vulnerable while Bitternut is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Bitternut
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Apodiformes (Apodiformes)	Fagales (Beeches & Oaks)
Family	Apodidae	Juglandaceae
Genus	Aerodramus	Carya
Species	Aerodramus sawtelli	Carya cordiformis

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Bitternut

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Bitternut
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.

Bitternut

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (5 countries) and North America (Canada, United States).

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.

Bitternut

The Bitternut (Carya cordiformis) is a species in the genus Carya. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.