Dwarf round ray vs Yellow-browed Sparrow

Urotrygon nana compared with Ammodramus aurifrons

Key Differences

• Dwarf round ray is Near Threatened while Yellow-browed Sparrow is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Yellow-browed Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Myliobatiformes (Myliobatiformes)	Passeriformes (Songbirds)
Family	Urotrygonidae	Passerellidae
Genus	Urotrygon	Ammodramus
Species	Urotrygon nana	Ammodramus aurifrons

Evolutionary Relationship

Dwarf round ray and Yellow-browed Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Yellow-browed Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Yellow-browed Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Yellow-browed Sparrow

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-browed Sparrow

Yellow-browed Sparrow (Ammodramus aurifrons) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.