Alston s Cotton Rat vs Chinese river dolphin

Sigmodon alstoni compared with Lipotes vexillifer

Key Differences

• Alston s Cotton Rat is Least Concern while Chinese river dolphin is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Chinese river 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	Lipotidae
Genus	Sigmodon	Lipotes
Species	Sigmodon alstoni	Lipotes vexillifer

Evolutionary Relationship

Alston s Cotton Rat and Chinese river dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Chinese river dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Chinese river 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.

Chinese river 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.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.