Atlantic Gray Seal vs Tree-hole tick

Halichoerus grypus compared with Ixodes arboricola

Key Differences

• Atlantic Gray Seal is Vulnerable while Tree-hole tick is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Tree-hole tick
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Pinnipedia (Seals & Sea Lions)	Ixodida (Ixodida)
Family	Phocidae (True Seals)	Ixodidae
Genus	Halichoerus	Ixodes
Species	Halichoerus grypus	Ixodes arboricola

Evolutionary Relationship

Atlantic Gray Seal and Tree-hole tick share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Tree-hole tick

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Tree-hole tick
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.

Tree-hole tick

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden