American water shrew vs Laysan Duck

Sorex palustris compared with Anas laysanensis

Key Differences

• American water shrew is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	American water shrew	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Anseriformes (Anseriformes)
Family	Soricidae	Anatidae
Genus	Sorex	Anas
Species	Sorex palustris	Anas laysanensis

Evolutionary Relationship

American water shrew and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

American water shrew

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	American water shrew	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American water shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

American water shrew

The American water shrew (Sorex palustris) is a species in the genus Sorex. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.