Atlantic Gray Seal vs Bitter Tooth

Halichoerus grypus compared with Hydnellum scabrosum

Key Differences

• Atlantic Gray Seal is Vulnerable while Bitter Tooth is Near Threatened.

Taxonomic Classification

Rank	Atlantic Gray Seal	Bitter Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Pinnipedia (Seals & Sea Lions)	Thelephorales (Thelephorales)
Family	Phocidae (True Seals)	Bankeraceae
Genus	Halichoerus	Hydnellum
Species	Halichoerus grypus	Hydnellum scabrosum

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Bitter Tooth

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Gray Seal	Bitter Tooth
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.

Bitter Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden