Common Ringlet vs Foca de Casco

Coenonympha tullia compared with Cystophora cristata

Key Differences

• Common Ringlet is Extinct while Foca de Casco is Endangered.

Taxonomic Classification

Rank	Common Ringlet	Foca de Casco
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópodos)	Chordata (cordados)
Class	Insecta (insecto)	Mammalia (mamíferos)
Order	Lepidoptera (Butterflies & Moths)	Pinnipedia (Seals & Sea Lions)
Family	Nymphalidae (Brush-footed Butterflies)	Phocidae (True Seals)
Genus	Coenonympha	Cystophora
Species	Coenonympha tullia	Cystophora cristata

Evolutionary Relationship

Common Ringlet and Foca de Casco share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Ringlet

EX — Extinct

Foca de Casco

EN — Endangered

Physical Characteristics

Attribute	Common Ringlet	Foca de Casco
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (27 countries) and North America (Canada, United States).

Foca de Casco

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 Ringlet

La ninfa común (Coenonympha tullia) está clasificada como Extinta (EX) en la Lista Roja de la UICN. Esta especie ha sido declarada extinta, sin individuos vivos conocidos en estado silvestre ni en cautividad.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway