Alitán viperino vs Ánade de Laysán

Haploblepharus edwardsii compared with Anas laysanensis

Key Differences

• Alitán viperino is Endangered while Ánade de Laysán is Critically Endangered.

Taxonomic Classification

Rank	Alitán viperino	Ánade de Laysán
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Anseriformes (Anseriformes)
Family	Scyliorhinidae	Anatidae
Genus	Haploblepharus	Anas
Species	Haploblepharus edwardsii	Anas laysanensis

Evolutionary Relationship

Alitán viperino and Ánade de Laysán share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Alitán viperino

EN — Endangered

Ánade de Laysán

CR — Critically Endangered

Physical Characteristics

Attribute	Alitán viperino	Ánade de Laysán
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alitán viperino

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Ánade de Laysán

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.

Ánade de Laysán

El Pato de Laysan (Anas laysanensis) está clasificado como En Peligro Crítico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extinción en estado silvestre debido a la grave disminución de su población y la pérdida de hábitat.