Atlantic Gray Seal vs Duck Flea

Halichoerus grypus compared with Ceratophyllus garei

Key Differences

• Atlantic Gray Seal is Vulnerable while Duck Flea is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Duck Flea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Siphonaptera (Siphonaptera)
Family	Phocidae (True Seals)	Ceratophyllidae
Genus	Halichoerus	Ceratophyllus
Species	Halichoerus grypus	Ceratophyllus garei

Evolutionary Relationship

Atlantic Gray Seal and Duck Flea share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Duck Flea

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Duck Flea
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.

Duck Flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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