Buff-collared Nightjar vs Dwarf round ray

Antrostomus ridgwayi compared with Urotrygon nana

Key Differences

• Buff-collared Nightjar is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Buff-collared Nightjar	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Caprimulgiformes (Caprimulgiformes)	Myliobatiformes (Myliobatiformes)
Family	Caprimulgidae	Urotrygonidae
Genus	Antrostomus	Urotrygon
Species	Antrostomus ridgwayi	Urotrygon nana

Evolutionary Relationship

Buff-collared Nightjar and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Buff-collared Nightjar	Dwarf round ray
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.

Dwarf round ray

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.