Buff-collared Nightjar vs Dils’ Grayling

Antrostomus ridgwayi compared with Pseudochazara orestes

Key Differences

• Buff-collared Nightjar is Least Concern while Dils’ Grayling is Vulnerable.

Taxonomic Classification

Rank	Buff-collared Nightjar	Dils’ Grayling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Caprimulgiformes (Caprimulgiformes)	Lepidoptera (Butterflies & Moths)
Family	Caprimulgidae	Nymphalidae (Brush-footed Butterflies)
Genus	Antrostomus	Pseudochazara
Species	Antrostomus ridgwayi	Pseudochazara orestes

Evolutionary Relationship

Buff-collared Nightjar and Dils’ Grayling share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Dils’ Grayling

VU — Vulnerable

Physical Characteristics

Attribute	Buff-collared Nightjar	Dils’ Grayling
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.

Dils’ Grayling

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Bulgaria and Greece. Currently classified as Vulnerable 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.