Adder'S Tongue vs Bare-legged Swiftlet

Ophioglossum vulgatum compared with Aerodramus nuditarsus

Key Differences

• Adder'S Tongue is Vulnerable while Bare-legged Swiftlet is Least Concern.

Taxonomic Classification

Rank	Adder'S Tongue	Bare-legged Swiftlet
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Ophioglossales (Ophioglossales)	Apodiformes (Apodiformes)
Family	Ophioglossaceae	Apodidae
Genus	Ophioglossum	Aerodramus
Species	Ophioglossum vulgatum	Aerodramus nuditarsus

Conservation Status

Adder'S Tongue

VU — Vulnerable

Bare-legged Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	Adder'S Tongue	Bare-legged Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder'S Tongue

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

Adder'S Tongue

The Adder'S Tongue (Ophioglossum vulgatum) is a species in the genus Ophioglossum. It is currently classified as Vulnerable on the IUCN Red List. This species inhabits Typically found in moist, shaded forest floors and tropical canopies, found across Belgium, Colombia, Denmark, Norway, and Portugal.

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