Atlantic Gray Seal vs Brown Cobblestone Lichen

Halichoerus grypus compared with Acarospora fuscata

Key Differences

• Atlantic Gray Seal is Vulnerable while Brown Cobblestone Lichen is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Brown Cobblestone Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Pinnipedia (Seals & Sea Lions)	Acarosporales (Acarosporales)
Family	Phocidae (True Seals)	Acarosporaceae
Genus	Halichoerus	Acarospora
Species	Halichoerus grypus	Acarospora fuscata

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Brown Cobblestone Lichen

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Brown Cobblestone Lichen
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 Cobblestone Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and 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.

Brown Cobblestone Lichen

The Brown Cobblestone Lichen (Acarospora fuscata) is a species in the genus Acarospora. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal