Alston s Cotton Rat vs Machín Blanco de Occidente

Sigmodon alstoni compared with Cebus aequatorialis

Key Differences

• Alston s Cotton Rat is Least Concern while Machín Blanco de Occidente is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Machín Blanco de Occidente
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Rodents)	Primates (Primates)
Family	Cricetidae	Cebidae
Genus	Sigmodon	Cebus
Species	Sigmodon alstoni	Cebus aequatorialis

Evolutionary Relationship

Alston s Cotton Rat and Machín Blanco de Occidente share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Machín Blanco de Occidente

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Machín Blanco de Occidente
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.

Machín Blanco de Occidente

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Ecuador. 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.