Buff-collared Nightjar vs Eurasian Tree Sparrow

Antrostomus ridgwayi compared with Passer montanus

Key Differences

• Buff-collared Nightjar is Least Concern while Eurasian Tree Sparrow is Endangered.

Taxonomic Classification

Rank	Buff-collared Nightjar	Eurasian Tree Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Caprimulgiformes (Caprimulgiformes)	Passeriformes (Songbirds)
Family	Caprimulgidae	Passeridae
Genus	Antrostomus	Passer
Species	Antrostomus ridgwayi	Passer montanus

Evolutionary Relationship

Buff-collared Nightjar and Eurasian Tree Sparrow share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Eurasian Tree Sparrow

EN — Endangered

Physical Characteristics

Attribute	Buff-collared Nightjar	Eurasian Tree Sparrow
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.

Eurasian Tree Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia, Philippines, Singapore), Europe (7 countries), North America (Canada, United States), and Oceania and the Pacific (Australia, Marshall Islands). 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.

Eurasian Tree Sparrow

Eurasian Tree Sparrow (Passer montanus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway