Alston s Cotton Rat vs Eurasian pygmy shrew

Sigmodon alstoni compared with Sorex minutus

Key Differences

• Alston s Cotton Rat is Least Concern while Eurasian pygmy shrew is Vulnerable.

Taxonomic Classification

Rank	Alston s Cotton Rat	Eurasian pygmy shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Soricomorpha (Soricomorpha)
Family	Cricetidae	Soricidae
Genus	Sigmodon	Sorex
Species	Sigmodon alstoni	Sorex minutus

Evolutionary Relationship

Alston s Cotton Rat and Eurasian pygmy shrew share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Eurasian pygmy shrew

VU — Vulnerable

Physical Characteristics

Attribute	Alston s Cotton Rat	Eurasian pygmy shrew
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.

Eurasian pygmy shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable 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.

Eurasian pygmy shrew

Eurasian pygmy shrew (Sorex minutus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.