Hooded seal vs small tortoiseshell

Cystophora cristata compared with Aglais urticae

Key Differences

• Hooded seal is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Hooded seal	small tortoiseshell
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Pinnipedia (Seals & Sea Lions)	Lepidoptera (チョウ目)
Family	Phocidae (True Seals)	Nymphalidae (Brush-footed Butterflies)
Genus	Cystophora	Aglais
Species	Cystophora cristata	Aglais urticae

Evolutionary Relationship

Hooded seal and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Hooded seal

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Hooded seal	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

スモールトータスシェル(Aglais urticae)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。絶滅危惧種に分類される一歩手前の段階で、保全措置がなければ脆弱になる可能性のある個体群を持つ。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal