Alpine Stream Salamander vs Laysan Duck

Batrachuperus tibetanus compared with Anas laysanensis

Key Differences

• Alpine Stream Salamander is Vulnerable while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Alpine Stream Salamander	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Caudata (Caudata)	Anseriformes (Anseriformes)
Family	Hynobiidae	Anatidae
Genus	Batrachuperus	Anas
Species	Batrachuperus tibetanus	Anas laysanensis

Evolutionary Relationship

Alpine Stream Salamander and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alpine Stream Salamander

VU — Vulnerable

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Alpine Stream Salamander	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Stream Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.

Alpine Stream Salamander

The Alpine Stream Salamander (Batrachuperus tibetanus) is a species in the genus Batrachuperus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.