Atlantic Gray Seal vs Willow Aldercap

Halichoerus grypus compared with Naucoria salicis

Key Differences

• Atlantic Gray Seal is Vulnerable while Willow Aldercap is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Willow Aldercap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Pinnipedia (Seals & Sea Lions)	Agaricales (Gilled Mushrooms)
Family	Phocidae (True Seals)	Hymenogastraceae
Genus	Halichoerus	Naucoria
Species	Halichoerus grypus	Naucoria salicis

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Willow Aldercap

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Willow Aldercap
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.

Willow Aldercap

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

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