Atlantic Gray Seal vs limestone fern

Halichoerus grypus compared with Gymnocarpium robertianum

Key Differences

• Atlantic Gray Seal is Vulnerable while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Atlantic Gray Seal	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Pinnipedia (Seals & Sea Lions)	Polypodiales (Polypodiales)
Family	Phocidae (True Seals)	Cystopteridaceae
Genus	Halichoerus	Gymnocarpium
Species	Halichoerus grypus	Gymnocarpium robertianum

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Atlantic Gray Seal	limestone fern
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.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

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

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden