Buff-collared Nightjar vs Chatham shag

Antrostomus ridgwayi compared with Leucocarbo onslowi

Key Differences

• Buff-collared Nightjar is Least Concern while Chatham shag is Critically Endangered.

Taxonomic Classification

Rank	Buff-collared Nightjar	Chatham shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Caprimulgiformes (Caprimulgiformes)	Suliformes (Suliformes)
Family	Caprimulgidae	Phalacrocoracidae
Genus	Antrostomus	Leucocarbo
Species	Antrostomus ridgwayi	Leucocarbo onslowi

Evolutionary Relationship

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

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Chatham shag

CR — Critically Endangered

Physical Characteristics

Attribute	Buff-collared Nightjar	Chatham shag
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.

Chatham shag

Habitat

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

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.

Chatham shag

The Chatham shag (Leucocarbo onslowi) is a species in the genus Leucocarbo. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.