Buff-collared Nightjar vs

Antrostomus ridgwayi compared with Cortinarius hillieri

Key Differences

• Buff-collared Nightjar is Least Concern while is Endangered.

Taxonomic Classification

Rank	Buff-collared Nightjar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Caprimulgiformes (Caprimulgiformes)	Agaricales (Gilled Mushrooms)
Family	Caprimulgidae	Cortinariaceae
Genus	Antrostomus	Cortinarius
Species	Antrostomus ridgwayi	Cortinarius hillieri

Conservation Status

Buff-collared Nightjar

LC — Least Concern

EN — Endangered

Physical Characteristics

Attribute	Buff-collared Nightjar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-collared Nightjar

Habitat

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

Range

Found in Norway.

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Cortinarius hillieri is a mycorrhizal agaric fungus in the family Cortinariaceae, assessed as Endangered (EN). It forms ectomycorrhizal associations with forest trees and produces characteristic cobweb-like veils (cortina) when young. Its endangered status reflects habitat loss through deforestation and changes in woodland management.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway