Hooded seal vs Oak Blackhead

Cystophora cristata compared with Diatrypella quercina

Key Differences

• Hooded seal is Endangered while Oak Blackhead is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Oak Blackhead
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Sordariomycetes (Sordariomycetes)
Order	Pinnipedia (Seals & Sea Lions)	Xylariales (Xylariales)
Family	Phocidae (True Seals)	Diatrypaceae
Genus	Cystophora	Diatrypella
Species	Cystophora cristata	Diatrypella quercina

Conservation Status

Hooded seal

EN — Endangered

Oak Blackhead

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Oak Blackhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Oak Blackhead

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, Portugal, and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal