Dwarf round ray vs Yellow-billed Pintail

Urotrygon nana compared with Anas georgica

Key Differences

• Dwarf round ray is Near Threatened while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Yellow-billed Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Myliobatiformes (Myliobatiformes)	Anseriformes (Anseriformes)
Family	Urotrygonidae	Anatidae
Genus	Urotrygon	Anas
Species	Urotrygon nana	Anas georgica

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	Dwarf round ray	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) 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.