Alston s Cotton Rat vs Chilean Dolphin

Sigmodon alstoni compared with Cephalorhynchus eutropia

Key Differences

• Alston s Cotton Rat is Least Concern while Chilean Dolphin is Near Threatened.

Taxonomic Classification

Rank	Alston s Cotton Rat	Chilean Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Sigmodon	Cephalorhynchus
Species	Sigmodon alstoni	Cephalorhynchus eutropia

Evolutionary Relationship

Alston s Cotton Rat and Chilean Dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Chilean Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Alston s Cotton Rat	Chilean Dolphin
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.

Chilean Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Chilean Dolphin

The Chilean Dolphin (Cephalorhynchus eutropia) is a species in the genus Cephalorhynchus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.