Alston s Cotton Rat vs Laysan Duck

Sigmodon alstoni compared with Anas laysanensis

Key Differences

Alston s Cotton Rat is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Laysan Duck
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Aves (طيور)
Order	Rodentia (قوارض)	Anseriformes (إوزيات)
Family	Cricetidae	Anatidae
Genus	Sigmodon	Anas
Species	Sigmodon alstoni	Anas laysanensis

Evolutionary Relationship

Alston s Cotton Rat and Laysan Duck share a common ancestor at the Phylum level: Chordata. (حبليات)

استعراض Phylum: Chordata

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.

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.