Brown stingray vs Laysan Duck

Hemitrygon akajei compared with Anas laysanensis

Key Differences

• Brown stingray is Near Threatened while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Brown 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	Dasyatidae	Anatidae
Genus	Hemitrygon	Anas
Species	Hemitrygon akajei	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Brown stingray

NT — Near Threatened

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Brown stingray	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown stingray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. 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.

Brown stingray

The Brown Stingray (Hemitrygon akajei) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia, 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.