Arraia vs pato-de-laysan

Hypanus americanus compared with Anas laysanensis

Key Differences

• Arraia is Near Threatened while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Arraia	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Aves (ave)
Order	Myliobatiformes (Myliobatiformes)	Anseriformes (Anseriformes)
Family	Dasyatidae	Anatidae
Genus	Hypanus	Anas
Species	Hypanus americanus	Anas laysanensis

Evolutionary Relationship

Arraia and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arraia

NT — Near Threatened

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Arraia	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arraia

Habitat

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

Range

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

pato-de-laysan

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.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.