Black river stingray vs Red-billed Duck

Potamotrygon motoro compared with Anas erythrorhyncha

Key Differences

• Black river stingray is Data Deficient while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Black river 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	Potamotrygonidae	Anatidae
Genus	Potamotrygon	Anas
Species	Potamotrygon motoro	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Black river stingray

DD — Data Deficient

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Black river stingray

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Brazil, Colombia, Ecuador, Singapore, and Venezuela.

Red-billed Duck

Habitat

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

Range

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

Black river stingray

The Black river stingray (Potamotrygon motoro) is a species in the genus Potamotrygon. It is currently classified as Data Deficient on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador