Bottom skate vs Laysan Duck

Bathyraja bergi compared with Anas laysanensis

Key Differences

• Bottom skate is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Bottom skate	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Rajiformes (Rajiformes)	Anseriformes (Anseriformes)
Family	Arhynchobatidae	Anatidae
Genus	Bathyraja	Anas
Species	Bathyraja bergi	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Bottom skate

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Bottom skate	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bottom skate

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.

Bottom skate

The Bottom Skate (Bathyraja bergi) is a species in the genus Bathyraja. It is currently classified as Least Concern on the IUCN Red List.

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.