Amur Hedgehog vs Ruff

Erinaceus amurensis compared with Calidris pugnax

Taxonomic Classification

Rank	Amur Hedgehog	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (Charadriiformes)
Family	Erinaceidae	Scolopacidae
Genus	Erinaceus	Calidris
Species	Erinaceus amurensis	Calidris pugnax

Evolutionary Relationship

Amur Hedgehog and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amur Hedgehog

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Amur Hedgehog	Ruff
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.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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.

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.