Anglespot river stingray vs Laysan Duck

Potamotrygon orbignyi compared with Anas laysanensis

Key Differences

• Anglespot river stingray is Near Threatened while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Anglespot river stingray	Laysan 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 orbignyi	Anas laysanensis

Evolutionary Relationship

Anglespot river stingray and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Anglespot river stingray

NT — Near Threatened

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Anglespot river stingray	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Anglespot river stingray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Colombia. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Anglespot river stingray

The Anglespot river stingray (Potamotrygon orbignyi) is a species in the genus Potamotrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.