Laysan Duck vs Ussuri Shrew

Anas laysanensis compared with Sorex mirabilis

Key Differences

• Laysan Duck is Critically Endangered while Ussuri Shrew is Data Deficient.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Laysan Duck

CR — Critically Endangered

Ussuri Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Laysan Duck	Ussuri Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Ussuri Shrew

Habitat

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.