Atlantic Gray Seal vs Williamson's Emerald

Halichoerus grypus compared with Somatochlora williamsoni

Key Differences

• Atlantic Gray Seal is Vulnerable while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Williamson's Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Odonata (Odonata)
Family	Phocidae (True Seals)	Corduliidae
Genus	Halichoerus	Somatochlora
Species	Halichoerus grypus	Somatochlora williamsoni

Evolutionary Relationship

Atlantic Gray Seal and Williamson's Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Williamson's Emerald
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.

Williamson's Emerald

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.