Common Blue vs Hooded seal

Polyommatus icarus compared with Cystophora cristata

Key Differences

• Common Blue is Least Concern while Hooded seal is Endangered.

Taxonomic Classification

Rank	Common Blue	Hooded seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Pinnipedia (Seals & Sea Lions)
Family	Lycaenidae	Phocidae (True Seals)
Genus	Polyommatus	Cystophora
Species	Polyommatus icarus	Cystophora cristata

Evolutionary Relationship

Common Blue and Hooded seal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Blue

LC — Least Concern

Hooded seal

EN — Endangered

Physical Characteristics

Attribute	Common Blue	Hooded seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

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.

Common Blue

Common Blue (Polyommatus icarus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal