Buff-collared Nightjar vs River Tern

Antrostomus ridgwayi compared with Sterna aurantia

Key Differences

• Buff-collared Nightjar is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Buff-collared Nightjar	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Caprimulgiformes (Caprimulgiformes)	Charadriiformes (Charadriiformes)
Family	Caprimulgidae	Laridae
Genus	Antrostomus	Sterna
Species	Antrostomus ridgwayi	Sterna aurantia

Evolutionary Relationship

Buff-collared Nightjar and River Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Buff-collared Nightjar

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Buff-collared Nightjar	River Tern
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.

River Tern

Habitat

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

Range

Found in Norway. 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway