Bearded seal vs Black-headed Gull

Erignathus barbatus compared with Chroicocephalus ridibundus

Key Differences

• Bearded seal is Not Evaluated while Black-headed Gull is Vulnerable.

Taxonomic Classification

Rank	Bearded seal	Black-headed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pinnipedia (Seals & Sea Lions)	Charadriiformes (Charadriiformes)
Family	Phocidae (True Seals)	Laridae
Genus	Erignathus	Chroicocephalus
Species	Erignathus barbatus	Chroicocephalus ridibundus

Evolutionary Relationship

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

Conservation Status

Bearded seal

NE — Not Evaluated

Black-headed Gull

VU — Vulnerable

Physical Characteristics

Attribute	Bearded seal	Black-headed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

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.

Bearded seal

The Bearded seal (Erignathus barbatus) is a species in the genus Erignathus. 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden