Amur Hedgehog vs Ecuadorian Cotton Rat

Erinaceus amurensis compared with Sigmodon inopinatus

Key Differences

• Amur Hedgehog is Least Concern while Ecuadorian Cotton Rat is Vulnerable.

Taxonomic Classification

Rank	Amur Hedgehog	Ecuadorian Cotton Rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Erinaceomorpha (Erinaceomorpha)	Rodentia (ネズミ目)
Family	Erinaceidae	Cricetidae
Genus	Erinaceus	Sigmodon
Species	Erinaceus amurensis	Sigmodon inopinatus

Evolutionary Relationship

Amur Hedgehog and Ecuadorian Cotton Rat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Amur Hedgehog

LC — Least Concern

Ecuadorian Cotton Rat

VU — Vulnerable

Physical Characteristics

Attribute	Amur Hedgehog	Ecuadorian Cotton Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.