Atlantic Gray Seal vs Silver Meadow

Halichoerus grypus compared with Boloria selene

Key Differences

• Atlantic Gray Seal is Vulnerable while Silver Meadow is Extinct.

Taxonomic Classification

Rank	Atlantic Gray Seal	Silver Meadow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Lepidoptera (Butterflies & Moths)
Family	Phocidae (True Seals)	Nymphalidae (Brush-footed Butterflies)
Genus	Halichoerus	Boloria
Species	Halichoerus grypus	Boloria selene

Evolutionary Relationship

Atlantic Gray Seal and Silver Meadow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Silver Meadow

EX — Extinct

Physical Characteristics

Attribute	Atlantic Gray Seal	Silver Meadow
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.

Silver Meadow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (34 countries) and North America (United States).

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.

Silver Meadow

Silver Meadow (Boloria selene) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden