Cortez round stingray vs Laysan Duck

Urobatis maculatus compared with Anas laysanensis

Key Differences

• Cortez round stingray is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Cortez round 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	Urotrygonidae	Anatidae
Genus	Urobatis	Anas
Species	Urobatis maculatus	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Cortez round stingray

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Cortez round stingray	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cortez round stingray

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.

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.