Buff-collared Nightjar vs Grasshopper Sparrow

Antrostomus ridgwayi compared with Ammodramus savannarum

Key Differences

Buff-collared Nightjar is Least Concern while Grasshopper Sparrow is Critically Endangered.

Taxonomic Classification

Rank	Buff-collared Nightjar	Grasshopper 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	Passerellidae
Genus	Antrostomus	Ammodramus
Species	Antrostomus ridgwayi	Ammodramus savannarum

Evolutionary Relationship

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

View Class: Aves

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Grasshopper Sparrow

CR — Critically Endangered

Physical Characteristics

Attribute	Buff-collared Nightjar	Grasshopper 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.

Grasshopper Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, Norway, and United States. Currently classified as Critically 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.