Narrowtail stingray vs Red-billed Duck

Pastinachus gracilicaudus compared with Anas erythrorhyncha

Key Differences

• Narrowtail stingray is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Narrowtail stingray	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Myliobatiformes (Myliobatiformes)	Anseriformes (Anseriformes)
Family	Dasyatidae	Anatidae
Genus	Pastinachus	Anas
Species	Pastinachus gracilicaudus	Anas erythrorhyncha

Evolutionary Relationship

Narrowtail stingray and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Narrowtail stingray

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Narrowtail stingray	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrowtail stingray

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.