Atlantic Gray Seal vs Brown Skua

Halichoerus grypus compared with Stercorarius antarcticus

Key Differences

• Atlantic Gray Seal is Vulnerable while Brown Skua is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Brown Skua
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)	Stercorariidae
Genus	Halichoerus	Stercorarius
Species	Halichoerus grypus	Stercorarius antarcticus

Evolutionary Relationship

Atlantic Gray Seal and Brown Skua share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Brown Skua

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Brown Skua
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Skua

Habitat

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

Range

Found in Norway.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Brown Skua

The Brown Skua (Stercorarius antarcticus) is a species in the genus Stercorarius. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway. As a member of the genus Stercorarius, it shares characteristics with related species within this taxonomic group.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway