Amur Hedgehog vs Black-headed Gull

Erinaceus amurensis compared with Chroicocephalus ridibundus

Key Differences

• Amur Hedgehog is Least Concern while Black-headed Gull is Vulnerable.

Taxonomic Classification

Rank	Amur Hedgehog	Black-headed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (Charadriiformes)
Family	Erinaceidae	Laridae
Genus	Erinaceus	Chroicocephalus
Species	Erinaceus amurensis	Chroicocephalus ridibundus

Evolutionary Relationship

Amur Hedgehog and Black-headed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amur Hedgehog

LC — Least Concern

Black-headed Gull

VU — Vulnerable

Physical Characteristics

Attribute	Amur Hedgehog	Black-headed Gull
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.

Black-headed Gull

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). 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.

Black-headed Gull

Black-headed Gull (Chroicocephalus ridibundus) 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.