Alston s Cotton Rat vs pato-de-laysan

Sigmodon alstoni compared with Anas laysanensis

Key Differences

• Alston s Cotton Rat is Least Concern while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Rodentia (Roedores)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Sigmodon	Anas
Species	Sigmodon alstoni	Anas laysanensis

Evolutionary Relationship

Alston s Cotton Rat and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	pato-de-laysan
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.

pato-de-laysan

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.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.