Atlantic Gray Seal vs Long-tailed Jaeger

Halichoerus grypus compared with Stercorarius longicaudus

Key Differences

• Atlantic Gray Seal is Vulnerable while Long-tailed Jaeger is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Long-tailed Jaeger
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 longicaudus

Evolutionary Relationship

Atlantic Gray Seal and Long-tailed Jaeger share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Long-tailed Jaeger

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Long-tailed Jaeger
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.

Long-tailed Jaeger

Habitat

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

Range

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

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.

Long-tailed Jaeger

Long-tailed Jaeger (Stercorarius longicaudus) 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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden