Black-headed Gull vs Narrow-headed Vole

Chroicocephalus ridibundus compared with Microtus gregalis

Key Differences

• Black-headed Gull is Vulnerable while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Black-headed Gull	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Rodentia (Rodents)
Family	Laridae	Cricetidae
Genus	Chroicocephalus	Microtus
Species	Chroicocephalus ridibundus	Microtus gregalis

Evolutionary Relationship

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

Conservation Status

Black-headed Gull

VU — Vulnerable

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Gull	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Narrow-headed Vole

Habitat

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.