Buff-collared Nightjar vs Fen Roller

Antrostomus ridgwayi compared with Ancylis paludana

Key Differences

• Buff-collared Nightjar is Least Concern while Fen Roller is Near Threatened.

Taxonomic Classification

Rank	Buff-collared Nightjar	Fen Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Caprimulgiformes (Caprimulgiformes)	Lepidoptera (Butterflies & Moths)
Family	Caprimulgidae	Tortricidae
Genus	Antrostomus	Ancylis
Species	Antrostomus ridgwayi	Ancylis paludana

Evolutionary Relationship

Buff-collared Nightjar and Fen Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Fen Roller

NT — Near Threatened

Physical Characteristics

Attribute	Buff-collared Nightjar	Fen Roller
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.

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.