arrow worm vs Bare-legged Swiftlet

Parasagitta elegans compared with Aerodramus nuditarsus

Key Differences

• arrow worm is Not Evaluated while Bare-legged Swiftlet is Least Concern.

Taxonomic Classification

Rank	arrow worm	Bare-legged Swiftlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Aves (Birds)
Order	Aphragmophora (Aphragmophora)	Apodiformes (Apodiformes)
Family	Sagittidae	Apodidae
Genus	Parasagitta	Aerodramus
Species	Parasagitta elegans	Aerodramus nuditarsus

Evolutionary Relationship

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

Conservation Status

arrow worm

NE — Not Evaluated

Bare-legged Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Bare-legged Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway