Atlantic Gray Seal vs Dark Shadow Lichen

Halichoerus grypus compared with Phaeophyscia sciastra

Key Differences

• Atlantic Gray Seal is Vulnerable while Dark Shadow Lichen is Data Deficient.

Taxonomic Classification

Rank	Atlantic Gray Seal	Dark Shadow Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Pinnipedia (Seals & Sea Lions)	Caliciales (Caliciales)
Family	Phocidae (True Seals)	Physciaceae
Genus	Halichoerus	Phaeophyscia
Species	Halichoerus grypus	Phaeophyscia sciastra

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Dark Shadow Lichen

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Gray Seal	Dark Shadow 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.

Dark Shadow Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden