Atiu Swiftlet vs Thread Weed

Aerodramus sawtelli compared with Ulva compressa

Key Differences

• Atiu Swiftlet is Vulnerable while Thread Weed is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Thread Weed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Aves (Birds)	Ulvophyceae (Ulvophyceae)
Order	Apodiformes (Apodiformes)	Ulvales (Ulvales)
Family	Apodidae	Ulvaceae
Genus	Aerodramus	Ulva
Species	Aerodramus sawtelli	Ulva compressa

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Thread Weed

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Thread Weed
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.

Thread Weed

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), Oceania and the Pacific (New Zealand), and South America (Brazil).

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway