Arched Earthstar vs Buff-collared Nightjar

Geastrum fornicatum compared with Antrostomus ridgwayi

Key Differences

Arched Earthstar is Critically Endangered while Buff-collared Nightjar is Least Concern.

Taxonomic Classification

Rank	Arched Earthstar	Buff-collared Nightjar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Geastrales (Geastrales)	Caprimulgiformes (Caprimulgiformes)
Family	Geastraceae	Caprimulgidae
Genus	Geastrum	Antrostomus
Species	Geastrum fornicatum	Antrostomus ridgwayi

Conservation Status

Arched Earthstar

CR — Critically Endangered

Buff-collared Nightjar

LC — Least Concern

Physical Characteristics

Attribute	Arched Earthstar	Buff-collared Nightjar
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.

Buff-collared Nightjar

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.

Buff-collared Nightjar

The Buff-Collared Nightjar (Antrostomus ridgwayi) is a species in the genus Antrostomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.