Red-billed Duck vs Smalltooth stingray

Anas erythrorhyncha compared with Hypanus rudis

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

Smalltooth stingray

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

Smalltooth stingray

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.