Atlantic Gray Seal vs Bird flea

Halichoerus grypus compared with Ceratophyllus zhovtyi

Key Differences

• Atlantic Gray Seal is Vulnerable while Bird flea is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Bird 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 zhovtyi

Evolutionary Relationship

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

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Bird flea

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Bird 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.

Bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Bird flea

The Bird flea (Ceratophyllus zhovtyi) is a species in the genus Ceratophyllus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.