Arched Earthstar vs Bare-legged Swiftlet

Geastrum fornicatum compared with Aerodramus nuditarsus

Key Differences

Arched Earthstar is Critically Endangered while Bare-legged Swiftlet is Least Concern.

Taxonomic Classification

Rank	Arched Earthstar	Bare-legged Swiftlet
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Geastrales (Geastrales)	Apodiformes (Apodiformes)
Family	Geastraceae	Apodidae
Genus	Geastrum	Aerodramus
Species	Geastrum fornicatum	Aerodramus nuditarsus

Conservation Status

Arched Earthstar

CR — Critically Endangered

Bare-legged Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	Arched Earthstar	Bare-legged Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arched Earthstar

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Currently classified as Critically Endangered 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.

Arched Earthstar

The Arched Earthstar (Geastrum fornicatum) is a species in the genus Geastrum. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the.

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.