Atlantic Gray Seal vs Brown Cup

Halichoerus grypus compared with Rutstroemia firma

Key Differences

• Atlantic Gray Seal is Vulnerable while Brown Cup is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Brown Cup
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Leotiomycetes (Leotiomycetes)
Order	Pinnipedia (Seals & Sea Lions)	Helotiales (Helotiales)
Family	Phocidae (True Seals)	Rutstroemiaceae
Genus	Halichoerus	Rutstroemia
Species	Halichoerus grypus	Rutstroemia firma

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Brown Cup

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Brown Cup
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 Cup

Habitat

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

Range

Distributed across Belgium, Brazil, 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.

Brown Cup

The Brown Cup (Rutstroemia firma) is a species in the genus Rutstroemia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden