Hooded seal vs Williamson's Emerald

Cystophora cristata compared with Somatochlora williamsoni

Key Differences

• Hooded seal is Endangered while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Hooded 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	Cystophora	Somatochlora
Species	Cystophora cristata	Somatochlora williamsoni

Evolutionary Relationship

Hooded seal and Williamson's Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hooded seal

EN — Endangered

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Williamson's Emerald
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.

Williamson's Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.